User:Kjkolb/Science

If you want the glossary that these topics came from, let me know.

If you find errors, let me know because I'll be updating this list from an offline source and any changes you make to this page will be lost. Very specific forestry terms have been moved here. The list has gotten significantly smaller. I've made hundreds of redirects and removed thousands of terms that should not have articles. Some other users have been quite prolific as well. I've deleted most of the inappropriate terms and almost all errors have been corrected. Still, if you use the list off of this page, I suggest you update it periodically with my newer versions. Some terms already have articles or are redirects but have a different meaning. In those cases, a usage note has been added in parentheses. Also, related terms have been grouped together in many cases. Groups are counted together.

Updates and current article count
 * 12/12/05 7,283
 * 12/20/05 6,755
 * 1/9/06 5,810
 * 1/13/06 4,930
 * 1/14/06 4,912
 * 1/23/06 4,798


 * Abandonment cost
 * Abatement of waste
 * Abiotic resource
 * Ablation moraine, Ablation till
 * Ablation zone
 * Absolute viscosity
 * Absorbed water
 * Absorbing well, Waste well
 * Absorptance
 * Absorption curve
 * Absorption energy
 * Absorption factor
 * Absorption plant
 * Abyssal fan
 * Abyssal hill
 * Abyssinian well
 * Accelerated cost recovery system
 * Accelerator mass spectrometer
 * Accelerator-produced radioactive material
 * Accelerogram, Accelerography
 * Acceptable air quality
 * Access control point
 * Access hatch
 * Access shaft
 * Accessed coal
 * Accessibility factor
 * Accessible reserve base
 * Accessible resource
 * Acclimation pond
 * Accreted terrane
 * Accretionary lava ball
 * Accretionary wedge
 * Accumulating shear
 * Accumulation area
 * Accumulation zone
 * Acicular
 * Acid cleaning
 * Acid detergent fiber
 * Acid embrittlement
 * Acid hydrolysis
 * Acid insoluble lignin
 * Acid radical
 * Acid shock
 * Acid soil
 * Acid soluble lignin
 * Acid stabilization of waste
 * Acidified
 * Acidizing
 * Acoustic log
 * Actinium series
 * Actinium-227
 * Action category
 * Activated silica
 * Activated sludge process
 * Active capacity
 * Active deposit
 * Active earth pressure
 * Active fuel length
 * Active mass, Active material
 * Active material utilization
 * Active metal
 * Active neutron assay
 * Active power
 * Active reservoir storage, Active storage, Active conservation capacity
 * Active seismic method
 * Active solar heating system
 * Activity concentration
 * Actual slope
 * Acute health effect
 * Additive effect
 * Add-on control device
 * Adduct
 * Adfluvial
 * Adjustable speed drive
 * Adjusted coefficient of performance
 * Adret
 * Adsorbed water
 * Adsorber
 * Advance disposal fee, Advanced disposal fee
 * Advance mining
 * Advance of a glacier
 * Advance payment
 * Advanced disposal fee
 * Advanced technology vehicle
 * Advection fog
 * Adverse health effect
 * Adverse water condition
 * Aeh
 * Aeolian deposit
 * Aeolian landform
 * Aeration basin
 * Aeration
 * Aerobic composting
 * Aframax tanker
 * After gases
 * Afterbay
 * After-cooling
 * Afterwind, After-wind
 * Age interval
 * Age tank, Day tank
 * Agglomerating character
 * Aggradation
 * Agricultural burning
 * Agricultural drainage, Agricultural underdrainage
 * Agricultural pollution
 * Agricultural residue
 * Air barrier, Air retarder
 * Air basin
 * Air change
 * Air changes per hour, Air exchanges per hour
 * Air collector (solar)
 * Air diffuser
 * Air district
 * Air equivalent
 * Air fall
 * Air film coefficient
 * Air film
 * Air heater
 * Air infiltration
 * Air monitoring
 * Air pollution control district
 * Air pollution control
 * Air quality maintenance area
 * Air quality management district
 * Air quality management plan
 * Air quality manager
 * Air quality simulation model
 * Air quality standard
 * Air quality working group
 * Air receiver
 * Air register
 * Air release valve
 * Air set cement
 * Air shutter
 * Air slaking
 * Air space ratio
 * Air stripping
 * Air subsidence
 * Air toxics (needs article mention)
 * Air void ratio
 * Air wave
 * Airborne debris, Airborne waste
 * Airborne radioactivity area
 * Airborne toxic control measure
 * Airborne warning and control system
 * Airfall
 * Air-gas ratio
 * Air-leakage rating
 * Airlock entry
 * Air-purifying respirator
 * Air-source heat pump
 * Airtight drywall approach
 * Air-to-air heat exchanger
 * Air-to-water heat pump
 * Alaskan Natural Gas Transportation System
 * Alclad
 * Algicide
 * Alkali lignin
 * Alkali rock
 * Alkali-aggregate reaction
 * Alkalic rock
 * Alkali-carbonate reaction
 * Alkaline rock
 * Alkali-silicate/silica reaction
 * Allochromatic mineral
 * Allogenic succession
 * Allowable bearing capacity
 * Allowable pile bearing load
 * Allowed rate of return
 * Alluvial terrace
 * Alternating valve
 * Alternative daily cover
 * Alternative Fuels Data Center
 * Alternative Fuels Utilization Program
 * Alternative Motor Fuels Act of 1988
 * Alternative septic system
 * Alternative-fuel vehicle
 * Ambient air quality standard
 * Ambient air quality
 * Ambient air
 * Ambient vaporizer
 * Ambursen dam
 * American Architectural Manufacturers Association
 * American Board of Industrial Hygiene
 * American Gas Association
 * American Public Power Association
 * Amorphous semiconductor
 * Ampere-hour efficiency
 * Ampere-hour
 * Amperometry
 * Amp-hour
 * Analytic epidemiologic study
 * Anchor bridge span, Anchor span
 * Anchor ice
 * Ancillary service
 * Andesite line
 * Angle of dip
 * Angle of draw
 * Angle of external friction, Angle of wall friction
 * Angle of internal friction, Angle of shear resistance
 * Angle of obliquity
 * Angular correlation
 * Anhydrous ethanol
 * Animal study
 * Animal unit
 * Animal waste conversion
 * Anisotropic magnet
 * Annealing by radiation
 * Annihilation photon
 * Annihilation radiation
 * Annual fuel utilization efficiency
 * Annual limit on intake
 * Annual maximum demand
 * Anode effect
 * Anode mud, Anode slime
 * Anodic coating
 * Anodic protection
 * Anolyte
 * Anoxic
 * Antarctic high
 * Anticline trap
 * Anticoincidence
 * Anticyclonic rotation
 * Antiform
 * Anti-fouling paint
 * Antifreeze solution
 * API well number
 * Apparent day
 * Appearance potential
 * Appliance energy efficiency rating
 * Appliance standards
 * Approach channel
 * Approach velocity
 * Aquatic collector
 * Aqueous electron
 * Aquifer recharge area
 * Aquifer storage field
 * Arabinan
 * Archaea kingdom
 * Arched truss
 * Arch-gravity dam
 * Arctic-montane biome
 * Area ignition
 * Area source
 * Area surface mining
 * Area-capacity table
 * Area-wide source
 * Argyrism
 * Arkosic
 * Armored riverbed
 * Artificial element
 * Artificial liquid fuel
 * Artificial propagation
 * Artificial recharge
 * Artificial regeneration
 * As low as reasonably achievable
 * Asbestos abatement
 * Asbestos-containing material (regulation)
 * Ash bed
 * Ash fall, Ashfall (inappropriate redirect)
 * Ash flow
 * Ash mono-fill
 * Ash pit
 * Ash sluice
 * Ashing
 * Asperity
 * Asphalt felt
 * Assay kit
 * Assigned reserve
 * Associated dissolved natural gas, Associated natural gas, Gas-cap gas
 * Associated liquid
 * Assured refill curve
 * ASTM coal classification
 * Asteroid survey
 * Astronomic theory of glaciation
 * Asymmetric center
 * Atgas
 * Athalassic
 * Atmospheric absorption
 * Atmospheric crude oil distillation
 * Atmospheric distillation
 * Atmospheric reflection
 * Atmospheric scattering
 * Atmospheric stability
 * Atomic vapor laser isotope separation
 * Atomic veteran
 * Atomic vs. nuclear
 * Attainment area
 * Attenuation factor
 * Attenuation of solar radiation
 * Attic fan
 * Attic vent
 * Auger electron yield
 * Auger mining
 * Authorized limit
 * Auto fluff, Automobile shredder residue
 * Autogenic succession
 * Auto-ignition temperature
 * Autoimmune hypothyroidism
 * Autoimmune thyroiditis
 * Auto-ionization
 * Automated local evaluation in real time
 * Automatic damper
 * Automatic generation control (ISO)
 * Automatically lighted burner
 * Automotive post
 * Autoradiolysis
 * Auxiliary electrode
 * Auxiliary fuel firing equipment
 * Auxiliary system
 * Availability factor
 * Available heat
 * Available resource
 * Average annual energy flux
 * Average life (atom or nuclear system)
 * Average logarithmic energy decrement
 * Average quality of coal
 * Average water conditions
 * Aviation gasoline blending components
 * Avoided cost
 * Axial alternator
 * Axial flow compressor
 * Axial flow turbine
 * Azonal soil
 * Back-end system
 * Backfill, Backfilling
 * Back-flow preventer
 * Back-flowing
 * Background current density
 * Background extinction
 * Background level
 * Backshore slope
 * Backshore
 * Backswam
 * Back-to-back high voltage direct current
 * Baffle chamber
 * Baghouse, Bag house
 * Bagwork
 * Balance of system
 * Balance point
 * Balanced system
 * Ballast efficacy factor
 * Ballast factor
 * Ballast water
 * Ballistic projectile (geology)
 * Band-to-band auger recombination
 * Bank full stage, Bankfull, Bank-full
 * Bar grizzly
 * Bar screen
 * Barren zone
 * Barren
 * Barrier beach wetland
 * Barrier dam
 * Barrier energy
 * Barrier film, Barrier oxide film
 * Barrier well
 * Basal sliding
 * Basalt plateau
 * Basaltic magma
 * Base conditions (ANSI)
 * Base flow
 * Base gas, Cushion gas, Bottom gas
 * Base pressure (ANSI)
 * Base streamflow, Base river flow, Base water flow
 * Base year
 * Baseboard radiator
 * Baseline performance value
 * Baseload capacity
 * Basic air, Gas time
 * Basis weight
 * Batch process
 * Batch solar heater
 * Batt (insulation)
 * Batteries and temperature
 * Battery bank
 * Battery capacity
 * Battery cell
 * Battery charging
 * Battery corrosion
 * Battery Council International
 * Battery creep
 * Battery current
 * Battery cycle life
 * Battery cycle
 * Battery discharge, Battery drain, Battery drainage
 * Battery disposal
 * Battery electrode
 * Battery electrolyte
 * Battery energy storage
 * Battery interconnection
 * Battery maintenance
 * Battery management
 * Battery rating (automobile)
 * Battery reserve capacity
 * Battery shelf-life
 * Battery terminal style
 * Battery terminal
 * Battery type
 * Battery vent
 * Battery voltage
 * Bayhead beach
 * Baymouth bar
 * Baymouth barrier
 * Beach drifting
 * Bead stop
 * Beadwall
 * Beam radiation
 * Bearing wall
 * Bedded salt
 * Bedding plane
 * Bell hole
 * Belt line, Beltline (other meaning)
 * Bench sample
 * Beneficial use
 * Benefit-cost ratio
 * Benefits charge
 * Benthic region
 * Benzole
 * Best available control measure
 * Best available control technology
 * Best available retrofit control technology
 * Best effort, Best effort agreement
 * Best management practice
 * Betz coefficient
 * Betz' law
 * Bias ply construction
 * Bi-fuel vehicle
 * Bifurcating
 * Bifurcation ratio
 * Bi-gas
 * Bilateral agreement (general)
 * Billing factor
 * Bi-metal can
 * Bimolecular step
 * Bin method
 * Binary alloy
 * Binary cycle geothermal plant
 * Binary cycle
 * Biochemical conversion
 * Biocrude
 * Bioelectrochemistry
 * Biogas cleaning
 * Biogasification, Biomethanization
 * Biogenic methane
 * Biogenic reef
 * Biogenic rock
 * Biogenic sediment
 * Biogeochemical cycling
 * Bioherm
 * Biological assessment
 * Biological monitoring
 * Biological opinion
 * Biological oxidation
 * Biological performance
 * Biological potential
 * Biological shield
 * Biological simplification
 * Biological treatment
 * Biological uptake
 * Biological weathering
 * Biomass boiler, Hogged fuel boiler
 * Biomass burning, Biomass combustion (emissions)
 * Biomass conversion
 * Biomass processing residue, Biomass residue
 * Biomass-derived fuel
 * Biomedical testing
 * Biophotolysis
 * Bioreserve
 * Bipole-dipole mapping
 * Bipotentiostat
 * Bituminization
 * Bituminous grout
 * Black annealing
 * Black pipe
 * Black plate
 * Black steel pipe
 * Blanket insulation
 * Blast wave
 * Blasting agent
 * Blasting circuit
 * Blending plant
 * Block system (railroad)
 * Blocking diode
 * Blow down
 * Blow joint
 * Blower door
 * Blown-in insulation
 * Blowout depression
 * Blowout preventer
 * Blue annealing
 * Blue norther
 * B-meson
 * Board insulation
 * Boghead coal, Algal coal
 * Boil off
 * Boiler rating
 * Bolson
 * Bolster
 * Bond rating
 * Bone coal
 * Bone dry unit
 * Bone dry, Oven dry
 * Bone seeker
 * Boom cat
 * Booster pump
 * Booster station
 * Boreal biome
 * Boreal forest region
 * Boreal-montane biome
 * Boston box
 * Bottle deposit
 * Bottleneck facility
 * Bottom ash
 * Bottom hole assembly
 * Bottom hole pressure
 * Bottom plate, Sole plate
 * Bottom rail
 * Boxboard
 * Box-type magazine
 * Braced arch
 * Bradenhead
 * Branch line (other meaning)
 * Branched polymer
 * Breaker, Breaker wave, Breaking wave (other meaning)
 * Breakthrough time
 * Breast height age
 * Breast height
 * Breeching, Vent connectory (boiler)
 * Brightener, Brightening agent
 * Brine electrolysis
 * Bromofluorocarbon
 * Brood year
 * Broodline
 * Brown paper
 * Btu per cubic foot
 * Bubnoff
 * Bud pruning
 * Bug dust
 * Building energy ratio
 * Building heat-loss factor
 * Building Officials and Code Administrators International
 * Building orientation
 * Building-integrated photovoltavics
 * Built-in electric unit, Built-in electric heater
 * Bulb turbine
 * Bulky waste
 * Bull pine
 * Bull plug
 * Bund wall
 * Bundled service
 * Burn day
 * Burn pit
 * Burn up
 * Burner capacity
 * Burner conversion
 * Burner tip
 * Burning point
 * Burning rate
 * Burn-pit
 * Burst strength
 * Burst
 * Busbar cost
 * Busheling
 * Butane-air plant
 * Button cell, Coin cell
 * Buttress dam
 * Butt-weld joint
 * Butylene plastic
 * Buy-back center
 * Buys-Ballot law
 * Bypass diode
 * Bypass reach
 * Bypass system
 * Byproduct fuel
 * Byproduct material
 * Byproduct power
 * C unit
 * Cable jacket
 * Cable tool
 * Cable yarding
 * Cadmium plating
 * Calcicolous
 * Calcium carbonate equivalent
 * Calcium sulfite
 * Caldera volcano
 * California Ambient Air Quality Standard
 * California Clean Air Act
 * California Environmental Protection Agency
 * California Power Exchange
 * California Urban Water Conservation Council
 * Calomel electrode
 * Calving glacier
 * Calving
 * Canadian high
 * Cap rock (water, natural gas, petroleum)
 * Capacitive current density, Double-layer current density, Non-faradic current density
 * Capacity factor
 * Capillary water
 * Capital asset recovery
 * Capital charge rate
 * Capital recovery factor
 * Captive coal
 * Captive customer, Captive consumer
 * Captive mine
 * Capture efficiency
 * Capture rate
 * Carbon budget
 * Carbon dioxide equivalent
 * Carbon range
 * Carbon to hydrogen ratio
 * Carbonaceous biochemical oxygen demand
 * Carbonate class of mineral
 * Carriage water
 * Carry-over storage
 * Cascade aeration
 * Cascade cycle
 * Cascading heat
 * Casing shoe
 * Casing-head gas
 * Cast silicon
 * Catalytic hydrotreating
 * Cataphoresis
 * Catenary support
 * Cathedral ceiling
 * Cathedral roof
 * Cathode disconnect ballast
 * Cathodic coating
 * Cathodic corrosion
 * Catholyte
 * Caustic dip
 * Ceiling insulation
 * Ceiling level
 * Ceiling panel heating
 * Ceiling price
 * Ceiling value
 * Cell barrier
 * Cell reaction
 * Cell reversal
 * Cell voltage
 * Celluloid plastic
 * Cellulose acetate butyrate plastic
 * Cellulose insulation
 * Central atom
 * Central power plant
 * Central power
 * Central receiver solar power plant
 * Central state service
 * Centralized energy system
 * Centralized sewage treatment
 * Ceramic radiant
 * Ceramicrete
 * Ceremonial harvest
 * Certificate of public convenience and necessity
 * Chained dollar
 * Char plant
 * Charge acceptance
 * Charge capacity (battery)
 * Charge controller
 * Charge rate
 * Charge retention
 * Charge transportation
 * Charge-transfer reaction
 * Charge-transfer resistance
 * Chasmophytic
 * Chatter mark
 * Check dam
 * Check meter
 * Check pool
 * Check rail
 * Check structure
 * Chemical extraction
 * Chemical family
 * Chemical geothermometer
 * Chemical lifetime
 * Chemical recombination
 * Chemical sediment
 * Chemical separation
 * Chemical set cement
 * Chemical wood
 * Chemocar
 * Chernozem soil
 * Chill factor
 * Chimney connector
 * Chimney effect
 * Chionophilous
 * Chipboard (possibly inappropriate redirect)
 * Chloramination
 * Chlorine monoxide
 * Chlorine nitrate
 * Chlorodifluorobromomethane
 * Chloropropylene oxide
 * Choke nipple
 * Chromium-nickel steel
 * Chronic exposure
 * Chronic hazard
 * Chronic health effect
 * Chronocoulometry
 * Chronopotentiometry
 * Cinder cone volcano
 * Circalittoral
 * Circle of illumination
 * Circuit lag
 * Circuit recloser
 * Cirque glacier
 * Cirro-
 * Cis-trans isomers
 * City gate station
 * Civilian radioactive waste
 * Clad metal
 * Clarifier
 * Clark standard cell
 * Class I area
 * Class II area
 * Class rate schedule
 * Clastogen, Clastogenesis, Clastogenic
 * Clean coal technologies
 * Clean development mechanism
 * Clean diesel
 * Clean fuel
 * Cleaner-burning gasoline
 * Cleanup system
 * Clear gas
 * Clear gasoline
 * Clearness number
 * Climap project
 * Climate zone (possibly inappropriate redirect)
 * Climatic optimum
 * Climatic year
 * Climograph
 * Close coupled
 * Closed cycle
 * Closed-circuit voltage
 * Closed-loop biomass
 * Closed-loop carburetion
 * Closed-loop recycling
 * Closed-loop system
 * Closed-system
 * Cluster investigation
 * Coal ash
 * Coal ball
 * Coal bed methane
 * Coal briquette
 * Coal carbonization
 * Coal chain conveyor
 * Coal coke
 * Coal conversion
 * Coal fire
 * Coal grade
 * Coal hydrogenation
 * Coal lithotype
 * Coal mine reclamation
 * Coal mine ventilation system
 * Coal pillar robbing
 * Coal pillar
 * Coal preparation
 * Coal quality
 * Coal rank
 * Coal rate
 * Coal refuse
 * Coal reserve
 * Coal ripper
 * Coal roof fall
 * Coal roof stress
 * Coal roof
 * Coal sampling
 * Coal seam
 * Coal silt
 * Coal stock
 * Coal sulfur
 * Coal surface mine
 * Coal unit train
 * Coal volatile matter
 * Coal washing
 * Coal zone
 * Coalbed
 * Coalification
 * Coarse sand
 * Coastal dune
 * Coastal tanker
 * Coastal zone
 * Coast-down
 * Co-collection
 * Co-disposal
 * Coefficient of heat transmission
 * Coefficient of utilization
 * Co-firing, Co-combustion
 * Cogging
 * Coil turn
 * Coincident demand
 * Coincidental peak load
 * Coke breeze
 * Coke oven gas
 * Coke plant
 * Coking coal
 * Cold cathode fluorescent light
 * Cold cleaning machine
 * Cold cranking amp
 * Cold expanded pipe
 * Cold flow
 * Cold glacier
 * Cold night sky
 * Cold shutdown
 * Cold storage
 * Cold-rolled steel
 * Collateral chain, Collateral series
 * Collection and bypass system
 * Collective dose
 * Collector efficiency
 * Collector fluid
 * Collector plate
 * Collector tilt, Collector angle (solar)
 * Collision and coalescence
 * Color infrared radiation
 * Color of a mineral
 * Color rendition index
 * Color rendition
 * Column flotation
 * Column ozone
 * Column sample
 * Combination burning
 * Combination electrode
 * Combination heater, Combo heater
 * Combination truck
 * Combination utility
 * Combined account
 * Combined collector
 * Combined hydronic space/water heating
 * Combined pumped-storage plant
 * Combined sewer
 * Combustion air
 * Combustion analysis (inappropriate redirect)
 * Combustion control
 * Combustion gases
 * Combustion power plant
 * Combustion product
 * Combustion safeguard
 * Combustion spoon, Deflagrating spoon
 * Combustion test
 * Comfort conditioning
 * Comfort zone (temperature)
 * Commercial consumption
 * Commercial operation
 * Commercial sector
 * Commercial species
 * Commercial waste
 * Commingled gas
 * Commingled inventory
 * Commingled nuclear material
 * Commingling (other meaning)
 * Committed dose equivalent, Committed effective dose equivalent
 * Commodity charge, Commodity cost
 * Common carriage
 * Common cost
 * Common ground, Common grounding electrode
 * Common plant
 * Common stock dividend
 * Common stock equity
 * Common stock equivalent
 * Common trench
 * Communal collection
 * Communities served
 * Communition
 * Community health investigation
 * Compactor vehicle
 * Comparison group
 * Comparison value
 * Compensation level
 * Compensation turbine
 * Compensation water
 * Competent rock
 * Competition control
 * Competitive bidding
 * Competitive franchise
 * Competitive transition charge
 * Complete mix digester
 * Compliance coal
 * Compliance limit
 * Composite frame
 * Composite sample
 * Compound paraboloid collector
 * Comprehensive Environmental Response Compensation and Liability Act
 * Comprehensive Environmental Response Compensation and Liability Information System
 * Comprehensive National Energy Policy Act
 * Compressed-air energy storage
 * Compression chiller
 * Compression cycle
 * Compression efficiency
 * Compression ignition
 * Compression process
 * Compressor fuel
 * Computer paper
 * Concentration cell
 * Concentration overpotential, Concentration polarization, Mass-transport overpotential, Diffusion overpotential
 * Concentrator collector
 * Concession contract
 * Concrete cylinder pipe
 * Concrete space
 * Condensation nucleus, Condensation surface
 * Condensation resistance factor
 * Condenser coils
 * Condensing boiler, Condensing furnace
 * Condensing controlled extraction turbine
 * Condensing power
 * Condensing turbine
 * Condensing unit capacity
 * Condensing unit
 * Conditional instability
 * Conditional use permit
 * Conditioned floor area
 * Conditioned space
 * Condo fee
 * Conductance cell, Conductivity cell
 * Conductometry
 * Cone of depression
 * Cone rake
 * Conference of the Parties
 * Confinement of fusion plasma
 * Confiscatory rate
 * Congressional energy committees
 * Conjunctive use
 * Connected load
 * Connection charge
 * Conservation cost adjustment
 * Conservation of nucleons
 * Conservation pool, Conservation storage
 * Consolidated metropolitan statistical area
 * Consolidation (geological)
 * Constant dollar
 * Construction and demolition waste
 * Consumer product
 * Consumption charge
 * Consumptive use
 * Contact adsorption
 * Contact resistance
 * Contact-handled transuranic waste
 * Containerboard
 * Contamination plume
 * Continental arctic air mass
 * Continental effect
 * Continental ice sheet
 * Continental margin
 * Continental polar air mass
 * Continental rise
 * Continental tropical air mass
 * Continuous casting
 * Continuous discharge
 * Continuous emission monitoring system
 * Continuous fermentation
 * Continuous furnace
 * Continuous mining
 * Control gate
 * Control group (currently a redirect)
 * Control plot
 * Control techniques guideline
 * Controlled area (nuclear)
 * Controlled dump
 * Controlled extraction turbine non-condensing
 * Convectional lifting
 * Convectional precipitation
 * Convective condensation level
 * Convective instability
 * Convective temperature
 * Conventional gas
 * Conventional gasoline
 * Conventional heat pump
 * Conventional hydroelectric plant
 * Conventional mining
 * Conventional pollutant
 * Conventional uranium mill
 * Convergence precipitation
 * Convergence (meteorology)
 * Convergent lifting
 * Conversion efficiency
 * Conversion unit
 * Conversion vehicle, Converted vehicle
 * Conveyance facility
 * Cool-down (nuclear reactor)
 * Cooling capacity
 * Cooling coil
 * Cooling load temperature difference
 * Cooling load
 * Cooperative research and development agreement
 * Copper indium diselenide
 * Copper insert
 * Core customer
 * Corporate average fuel economy
 * Correlation spectrometer
 * Corrosion current
 * Corrosion embrittlement
 * Corrosion mitigation
 * Corrosion potential
 * Corrosion prevention
 * Corrosivity
 * Corrugated container
 * Corrugated stainless-steel tubing
 * Corrugated steel pipe
 * Corrugating medium
 * Corrugation
 * Co-solvent
 * Cost of avoided power
 * Cost of conserved energy
 * Cost of removal
 * Cost of reproduction
 * Cost of service regulation
 * Cost of service study
 * Cost-based pricing, Cost-based rate
 * Cost-covering charge
 * Cotton fiber content paper
 * Cottrell equation
 * Coulombic efficiency, Coulometric efficiency, Ampere-hour efficiency, charge efficiency
 * Coulostatic technique
 * Counter radiation
 * Counter-flow heat exchanger
 * Counterforce
 * Counter-radiation
 * Countervailing
 * Countervalue
 * Course paper
 * Cover material
 * Cover paper, Cover stock
 * Cranking amp
 * Crawl space
 * Crawlspace vent
 * Cream skimming
 * Crenon
 * Creosol
 * Crescentic gouge
 * Crescentic mark
 * Criteria air pollutant
 * Criteria pollutant
 * Critical compression pressure
 * Critical entrainment velocity
 * Critical habitat
 * Critical load
 * Critical organ
 * Critical rule curve
 * Crop coal
 * Crop (currently a disambiguation page)
 * Cross bracing
 * Cross entry
 * Crossover pipeline
 * Cross-subsidization
 * Crucial habitat
 * Crude oil desalting
 * Crude oil qualities
 * Cryogenic size reduction
 * Cryosol soil
 * Cryostatic pressure
 * Cryotic
 * Crystallization overpotential
 * Crystallization polarization
 * Cubic feet per second
 * Cullet
 * Culm coal
 * Culvert pipe
 * Cumulative capacity
 * Cumulative depletion
 * Cumulative dose
 * Cumulative effect, Cumulative impact
 * Cumulative environmental impact
 * Cumulative penetration
 * Curb box
 * Curb line
 * Curb stop, Curb valve
 * Curbside collection
 * Curing compost
 * Current collector
 * Current concentration
 * Current distribution
 * Current dollar
 * Current efficiency
 * Current leakage
 * Current limiter
 * Current rating
 * Current-potential plot
 * Current-voltage data
 * Current-voltage
 * Curtailment
 * Curtain drain
 * Curtain grout wall, Curtain grouting
 * Cuspate foreland
 * Custody transfer
 * Customer assistance program
 * Customer charge
 * Customer choice
 * Customer class
 * Customer cost
 * Customer facility charge
 * Customer service charge
 * Customer service protection
 * Cut soil
 * Cutaneous hazard
 * Cutbank
 * Cut-in-speed
 * Cutoff grade
 * Cutoff voltage
 * Cutoff wall
 * Cutout speed
 * Cut-out speed
 * Cutout
 * Cutting machine
 * Cuttings (biological, geological)
 * Cutwater
 * Cyaniding
 * Cycle life
 * Cycle mining
 * Cycling loss
 * Cyclogenesis
 * Cyclone burner
 * Cyclone separator
 * Daily average temperature
 * Dam crest
 * Dam failure
 * Dam length
 * Dam toe
 * Day length
 * Daylighting control
 * Dead level
 * Dead reservoir capacity, Dead reservoir storage
 * Dead soft steel
 * Debris avalanche (more article mention, separate article)
 * Debris cloud
 * Debris cone
 * Debris flow
 * Debt capital
 * Debt coverage
 * Debt ratio
 * Decentralized energy system
 * Decision notice
 * Deciview
 * Declared pregnant woman
 * Declining block rate
 * Declining rate electric service
 * Decommissioning waste
 * Decomposition potential
 * Decontamination unit
 * Decrepitation
 * De-energized
 * Deep discharge
 * Deep discharging
 * Deep dose
 * Deep dose
 * Deep gas
 * Deep mining
 * Deep water
 * Deep-bed plant
 * Deep-cycle battery
 * Defense Nuclear Facilities Safety Board
 * Defense-in-depth
 * Deflagrating spoon
 * Deflation hollow
 * Deflection temperature
 * Deflector screen, Diversion screen
 * Defoliation
 * Defoliator
 * Deformeter
 * Degasification system
 * Degradable organic carbon
 * Degreasing
 * Degree-day normal
 * Degree-hour
 * De-inking
 * Deionization
 * Deionizing
 * Delay scheme
 * Delayed coking (inappropriate redirect)
 * Delayed fusion
 * Delayed health effect
 * Delivery charge
 * Demand bid
 * Demand billing
 * Demand charge
 * Demand controller
 * Demand indicator
 * Demand ratchet
 * Demand-side management
 * Demand-side ramp-up
 * Demineralization
 * Demolition debris
 * Demonstrated reserve
 * Demonstration plant
 * Demulsifier
 * Dendritic web technique
 * Denitrogenation
 * Densification
 * Denuding
 * Deoxidizing
 * Departing member
 * Department of Energy waste
 * Departure from nuclear boiling ratio
 * Departure from nucleate boiling
 * Dependable capacity
 * Depleted resource
 * Depleted storage field
 * Depletion factor
 * Depolarizer
 * Deposit control additive
 * Deposition nucleus
 * Depositional landform
 * Depth of discharge
 * Depth sounder
 * Deriaz turbine
 * Deriming
 * Derived air concentration
 * Dermal absorption
 * Descriptive epidemiology
 * Desiccant air conditioning
 * Desiccant cooling
 * Design cooling load
 * Design head
 * Design heating load
 * Design hydraulic head
 * Design temperature
 * Design tip speed ratio
 * Design value
 * Design voltage
 * Designation value
 * Design-basis accident
 * Design-basis phenomena
 * Desired future condition
 * Desulfurization
 * Desuperheater
 * Detention dam
 * Determination of non significance
 * Determination of significance
 * De-tinner
 * De-tinning
 * Detoxified
 * Detoxifying
 * Detrital rock
 * Detritus food chain
 * Deuterium-deuterium fusion reaction
 * Deuterium-tritium fusion reaction
 * Development drilling
 * Development mining
 * Development regulation
 * Development well
 * Devitrification
 * Devonian shale
 * Dewater
 * Dewatering
 * Diameter at breast height
 * Diameter inside bark
 * Diameter limit
 * Dibromotetrafluoroethane
 * Dielectric permittivity
 * Difference of potential
 * Differential pressure
 * Differential thermostat
 * Diffuse pollution
 * Diffuse solar radiation
 * Diffusing fan
 * Diffusion combustion
 * Diffusion furnace
 * Diffusion layer
 * Diffusion length
 * Diffusive transport
 * Dip plating
 * Dip tube
 * Dipole-dipole force
 * Direct beam radiation
 * Direct current motor
 * Direct current to direct current converter
 * Direct energy conversion
 * Direct gain
 * Direct hydrogen fuel cell
 * Direct radiation
 * Direct solar radiation
 * Direct solar-gain
 * Direct vent heater
 * Direct-fired absorption type air conditioner
 * Direct-to-steam, Direct steam generation
 * Dirty power
 * Disaggregation
 * Disarticulation
 * Discards
 * Discharge burn-up
 * Discharge capacity
 * Discharge curve
 * Discharge head
 * Discharge rate
 * Discharge valve
 * Discharging capacity
 * Disconnecting switch
 * Disease and symptom-prevalence study
 * Disease registry
 * Disinfection by-product
 * Disintegration rate
 * Dispatchability
 * Dispatching
 * Displacement power
 * Displacement reaction
 * Disposal field
 * Disposal well
 * Disposal
 * Disposition
 * Dissolved gas
 * Dissolved load
 * Dissolved natural gas
 * Dissolved solids
 * Dissolving
 * Distillation curve
 * Distributed collector system
 * Distribution box
 * Distribution cooperative
 * Distribution line
 * Distribution utility
 * Distributional limit
 * Distributive power
 * Disturbance
 * Diurnal ozone concentration
 * Diurnal tide
 * Diversion capacity
 * Diversion credit
 * Diversion inlet
 * Diversion rate
 * Diversion tunnel
 * Diversion (water)
 * Diversity exchange
 * Diversity factor
 * Divided cell
 * DOE-2.1
 * Donnan potential
 * Donor level
 * Doppler coefficient
 * Dose equivalent rate
 * Dose equivalent
 * Dose estimate
 * Dose meter
 * Dose rate
 * Dose reconstruction
 * Dose-response
 * Double dividend
 * Double-hung window
 * Double-junction reference electrode
 * Double-layer capacitance
 * Double-layer range
 * Double-layer window
 * Double-strength glass
 * Double-wall heat exchanger
 * Doubling time
 * Downdraft gasifier
 * Downstream slope of a dam
 * Downwasting (glacier)
 * Downwelling current
 * Downwind wind turbine
 * Draft diverter
 * Draft environmental impact statement
 * Draft hood
 * Drag-reducing agent
 * Drain sump
 * Drainage density (expand)
 * Drainage layer
 * Drainage network
 * Drainage path
 * Drainage wind
 * Drain-back system
 * Drain-down system
 * Draught tube
 * Drawing back
 * Dredge mining
 * Dreschel bottle
 * Drift angle
 * Drift mine
 * Drift-line
 * Drill pipe
 * Drill rig
 * Drill rod
 * Drip-loop
 * Drop-off center
 * Dropping-mercury electrode
 * Drum transformer
 * Dry charged cell
 * Dry coal basis
 * Dry deposition
 * Dry hole
 * Dry natural gas production
 * Dry natural gas
 * Dry rock
 * Dry steam geothermal plant
 * Dry steam
 * Drywell building
 * Drywell
 * Dual duct system
 * Dual fired unit
 * Dual fuel
 * Duct fan
 * Duct system
 * Duff (forest)
 * Dump load
 * Duplex electrode
 * Duplex stainless steel
 * Dust dome
 * Dust plume
 * Dust whirl
 * Dynamic head
 * Dynamic hydrogen electrode
 * Dynamic metamorphism
 * Dynamic mode
 * Dynamic pressure
 * Dysgenic
 * Dystrophic
 * Earmarked tax
 * Earth berm
 * Earth cooling tube
 * Earth sheltered house
 * Earthfill dam
 * Earthflow
 * Earthquake intensity
 * Earthquake magnitude
 * Earthquake operating basis
 * Earth-ship
 * Eave vent
 * Ecological rucksack
 * Economic instrument
 * Economic long run
 * Economic short run
 * Economizer air
 * Economizer water
 * Economizer
 * Economy energy
 * Eddy diffusion
 * Edge wave
 * Edge-defined film-fed growth
 * Edison battery
 * Edison Electric Institute
 * Effective capacity
 * Effective internal resistance
 * Efficiency service company
 * Effluent brake
 * Efflux
 * Electric Consumers Protection Act
 * Electric control area operator
 * Electric distribution company
 * Electric furnace
 * Electric line company
 * Electric Power Research Institute
 * Electric power supplier
 * Electric radiant heating
 * Electric system loss
 * Electric thermal storage
 * Electrical congestion
 * Electrical continuity
 * Electrical delta
 * Electrical line sag
 * Electrical loss
 * Electrical potential energy
 * Electrical system energy loss
 * Electrical system
 * Electricity capacity
 * Electricity Consumers Resources Council
 * Electricity demand
 * Electroactive substance
 * Electroanalytical chemistry
 * Electrocatalysis, Electrocatalyst
 * Electrochemical equivalent
 * Electrochemical grinding
 * Electrochemical machining
 * Electrochemical nose
 * Electrochemical process
 * Electrochemical reaction
 * Electrochemical shaping
 * Electrochemical switching
 * Electrochemiluminescence
 * Electrochromatography
 * Electrocleaning
 * Electroconcentration
 * Electrocrystallization
 * Electrode kinetics
 * Electrode of the first kind
 * Electrode of the second kind
 * Electrode of the third kind
 * Electrode reaction mechanism
 * Electrode reaction
 * Electrodics
 * Electrodissolution
 * Electroflotation
 * Electrogalvanization
 * Electrogenerated species
 * Electrogrinding
 * Electrolytic grinding
 * Electrolytic pickling
 * Electromagnetic separation of uranium
 * Electrometallurgy
 * Electron geometry
 * Electron period
 * Electroneutrality condition
 * Electronic ballast
 * Electronic conductor
 * Electronic polarization
 * Electroorganic
 * Electroosmotic dewatering
 * Electrooxidation
 * Electroreduction
 * Electroremediation
 * Electroseparation
 * Electrosorption
 * Electrosynthesis
 * Electroviscosity
 * Elemental class of mineral
 * Elementary reaction step
 * Eluant
 * Eluate
 * Eluent
 * Elute
 * Elution
 * Eluviation
 * Embankment dam
 * Embayment
 * Embedded cost
 * Embossed sheet
 * Embryonic soil
 * Embryotoxic
 * Embryotoxin
 * Emergency core cooling system
 * Emergency exit window
 * Emergency spillway
 * Emission inventory
 * Emission limit
 * Emission tax
 * Emissions banking
 * Emissions coefficient
 * Emissions offset
 * Emissions tax
 * Emittance
 * End moraine
 * Ending stock
 * Endoergic reaction
 * End-of-pipe technology
 * End-use energy
 * End-use
 * Energize
 * Energy absorption
 * Energy audit
 * Energy broker
 * Energy capital
 * Energy chip
 * Energy consumption
 * Energy content
 * Energy contribution potential
 * Energy cost
 * Energy crop
 * Energy delivery
 * Energy dissipator
 * Energy diversity
 * Energy effect
 * Energy efficiency ratio
 * Energy efficient mortgage
 * Energy end-use sector
 * Energy expenditure
 * Energy facility
 * Energy factor
 * Energy flux
 * Energy guide label
 * Energy indexing
 * Energy intensiveness
 * Energy loss
 * Energy marketer
 * Energy plantation
 * Energy product
 * Energy recovery
 * Energy requirement
 * Energy reserve
 * Energy resource management
 * Energy Security Act of 1980
 * Energy security, Fuel security
 * Energy service company
 * Energy supplier
 * Engine-driven air conditioning, Engine-driven air conditioner
 * Enhanced end-use efficiency
 * Enhanced oil recovery
 * Enhancement (resources)
 * Enrichment factor
 * Entrained bed gasifier
 * Entrance cable, Service entrance conductor
 * Environmental impact study
 * Environmental indicator
 * Environmental liability
 * Environmental load
 * Environmental protection agency
 * Environmental review
 * Environmental risk
 * Environmental system
 * Enzymatic hydrolysis (bioenergy)
 * Eolian landform
 * EPA hazard ranking system
 * Epichlorohydrin
 * Epicormic shoot
 * Epidemiologic surveillance
 * Epidemiological study
 * Epipotamal zone, Epipotamon zone
 * Epirhitral zone, Epirhitron zone
 * Equalizing charge
 * Equatorial zone circulation cell
 * Equilibrium constant expression
 * Equilibrium expression
 * Equivalent dwelling unit
 * Erg desert
 * Erosional landform
 * Eruption cloud, Eruption plume, Ash cloud, Ash plume
 * Escape provision
 * Etherification
 * Ethyl tertiary butyl ether
 * Ethylene vinyl acetate
 * Etiologic agent
 * Euhaline
 * Euhydrophyte
 * Euro trough
 * Eurotrough
 * Euryhaline
 * Eurythermal
 * Eutectic salt
 * Eutectoid steel
 * Evacuated tube collector
 * Evaporation fog
 * Evaporation pan
 * Evaporation pond
 * Evaporative emission
 * Evaporator coil
 * Evergreen plant
 * Evergreen vegetation
 * Evolutionary significant unit
 * Exceedance
 * Exchange current density
 * Excitation energy
 * Exclusion area, Exclusion zone
 * Exempt wholesale generator
 * Exfoliation dome
 * Exoergic reaction
 * Exotic stream
 * Expander steel
 * Expansion joint
 * Expansion tank
 * Expansion valve
 * Expenditure
 * Exploration drilling
 * Exploratory well
 * Exposure assessment
 * Exposure dose reconstruction
 * Exposure investigation
 * Exposure pathway
 * Exposure registry
 * Exposure time 50
 * Extensometer
 * Exterior siding
 * Exterior stop
 * External electrolyte
 * External radiation
 * Externality cost
 * Extra high voltage
 * Extraction loss
 * Extraction procedure toxicity
 * Extractive
 * Extrinsic semiconductor
 * Extruded polystyrene
 * Eyebrow window
 * Fabricated fuel, Slave window, Lie-on-your-stomach windows
 * Face conveyor
 * Face cord
 * Faced insulation
 * Facilitation model of succession
 * Facultative pond
 * Fall deposit
 * Fall turnover
 * Fallow area
 * Fallow farmland
 * Fallowing for water conservation
 * Fan coil
 * Faradic current
 * Fast pyrolysis
 * Feasibility factor
 * Federal Energy Management Program
 * Federal Energy Regulatory Commission boundary
 * Federal Facility Compliance Act
 * Federal Power Marketing Administration
 * Federal reserve discount rate
 * Feed and separative work component
 * Feed material
 * Feeder lockout
 * Feedwater
 * Fenestration
 * Ferruginous (needs article mention)
 * Fetch length
 * Fiberboard box
 * Fiberglass insulation
 * Field nursery
 * Field production
 * Field separation facility
 * Filter bed
 * Filter/demineralizer plant
 * Final action
 * Final disposal of nuclear waste
 * Final energy
 * Financial attribute
 * Finding of no significant impact
 * Fine mill residue
 * Fine paper
 * Fine particulate matter
 * Fine sand
 * Fine vs. coarse grain size
 * Fire classification
 * Fire hazard reduction
 * Fire line
 * Fire trail
 * Fire weather index
 * Fireplace insert
 * Fire-rating
 * Firing rate
 * First purchase price
 * First-hour rating
 * Fish barrier, Fish migration barrier
 * Fish flow
 * Fish passage, Fish barrier, Fish migration barrier, Fish guidance efficiency, Fish passage efficiency, Fish screen, Forebay guidance net
 * Fish stock
 * Fishery enhancement
 * Fission gases
 * Fission probability
 * Fixation of radioactive waste
 * Fixed carbon
 * Fixed energy
 * Fixed ion
 * Fixed light
 * Fixed operating cost
 * Fixed panel
 * Fixed quantities contract
 * Fixed window
 * Fjell field
 * Flame annealing
 * Flame hardening
 * Flame spread classification
 * Flapper valve steel
 * Flash blindness
 * Flash burn (other meaning)
 * Flash steam
 * Flashbacking
 * Flash-blindness
 * Flashboard
 * Flashed steam
 * Flashed-steam geothermal plant
 * Flat ceiling
 * Flat-lying
 * Flat-plate photovoltaic array
 * Flat-plate pumped
 * Flat-plate solar heating collector
 * Flattener, Perforator
 * Flexible-fuel fuel cell
 * Flexicoking
 * Float charging, Float charge, Float voltage, Float life
 * Float dust
 * Float switch
 * Floating foundation
 * Float-zone process
 * Flood management
 * Flood pool
 * Flood stage
 * Flood storage capacity
 * Flooded cell
 * Floor furnace, Wall furnace, Pipeless furnace
 * Floor space
 * Flow augmentation
 * Flow condition
 * Flow control (different meaning)
 * Flow field plate
 * Flow restrictor
 * Flowing spring, Flowing well
 * Flow-through electrode
 * Flowtite, Flowtite pipe
 * Flue gas particulate collector
 * Fluid coking
 * Fluid drag
 * Fluid loss
 * Fluor
 * Fluxmeter
 * Foam board
 * Foam core panel
 * Foam insulation
 * Foam-in-place insulation
 * Fogging (other meanings)
 * Foil-faced vapor retarder
 * Foliar leaching
 * Force of acceleration
 * Forced outage
 * Forced ventilation
 * Forced-air furnace
 * Forebay
 * Foreign matter
 * Foreset bed
 * Form bond paper
 * Formal electrode potential
 * Formerly restricted data
 * Formerly utilized sites remedial action program
 * Forms of energy
 * Fort Union Formation
 * Fossil-fueled steam-electric power plant
 * Fracture of a mineral
 * Fracture toughness
 * Fracturing
 * Framboid
 * Franchise area
 * Franchise fee
 * Franchise hauler
 * Franchise monopoly
 * Frazzle ice
 * Free radical chain reaction
 * Free sheet paper
 * Freeboard
 * Free-to-grow
 * Freewheeling
 * Freeze-thaw action
 * Friable
 * Friction head
 * Fringing field
 * Frit
 * Frontal fog
 * Frontal lifting
 * Frontal wedging, Frontal wedge
 * Front-end separation
 * Front-loading washing machine
 * Front-to-front high voltage direct current
 * Frost crack
 * Frost pocket
 * Frost wedging
 * Frost-free refrigerator
 * Fuel adjustment charge
 * Fuel assembly, Nuclear fuel bundle, Fuel element (currently a redirect)
 * Fuel cell boiler
 * Fuel cell furnace
 * Fuel cell processor
 * Fuel cell reformer
 * Fuel diversity
 * Fuel fabrication (nuclear)
 * Fuel grade alcohol
 * Fuel handling system
 * Fuel pellet
 * Fuel processor
 * Fuel rate
 * Fuel rod (currently a redirect)
 * Fuel temperature coefficient of reactivity
 * Fuel unit, Pulp unit
 * Fuels solvent deasphalting
 * Fuel-switching capability
 * Fuel-use attribute
 * Fugitive emission, Fugitive dust
 * Full pool
 * Full sun
 * Fume
 * Functional unbundling
 * Fundamental niche
 * Funnel viscosity
 * Furling tail
 * Furnish
 * Furring strip
 * Fused-salt reactor
 * Fusion ignition
 * Fusion reaction
 * Gable end wall
 * Gable vent
 * Gall-Peters map projection
 * Galvanostat
 * Galvanostatic technique
 * Gas air-conditioning
 * Gas balance
 * Gas cleaning
 * Gas condensate well
 * Gas electrode
 * Gas fill
 * Gas holder
 * Gas shift process
 * Gas supersaturation
 * Gas synthesis
 * Gas well (currently a redirect)
 * Gas-cooled reactor
 * Gaseous centrifuge enrichment
 * Gaseous diffusion enrichment
 * Gaseous diffusion plant
 * Gasifier
 * Gasoline grade
 * Gassing current
 * Gassing (currently a redirect)
 * Gate house, Gatehouse (different meaning)
 * Gate station
 * Gate-bulkhead
 * Gathering pipeline
 * Gauge height
 * Gauging station
 * Gaylord container
 * Gel-type battery
 * General lighting
 * General obligation bond
 * Generalist species
 * Generating area
 * Generation charge
 * Generation company
 * Generation dispatch and control
 * Generation time
 * Generator nameplate capacity
 * Generator rewinding
 * Genetic adaptation
 * Genetic damage
 * Genetic effect
 * Genetic injury
 * Genetic relation
 * Geographic cycle
 * Geographic isolation, Spatial isolation
 * Geographic range
 * Geographical coordinate system
 * Geologic assurance
 * Geologic basement
 * Geologic repository, Geological repository
 * Geometric current density
 * Geometric electrode area
 * Geomorphic threshold
 * Geomorphic
 * Geopressurized brine
 * Geostationary operational environmental satellite
 * Geothermal agriculture
 * Geothermal drilling
 * Geothermal heat pump
 * Geothermal injection well
 * Geothermal phenomenon
 * Geothermal reinjection
 * Geothermal reservoir
 * Geothermal resource
 * Geothermometer
 * G-galactan
 * Gibrat site ratio
 * Gin pole
 * Glacial drift
 * Glacial furrow
 * Glacial ice
 * Glacial milk
 * Glacial polish
 * Glacial remnant
 * Glacial stream
 * Glacial surge
 * Glacial trough
 * Glacial uplift
 * Glacier cave
 * Glacier flow
 * Glacier ice
 * Glacier mill
 * Glacier remaniè
 * Glacier remnant
 * Glacier table
 * Glaciofluvial
 * Glasphalt
 * Glass frit
 * Glass mat
 * Glazing bead
 * Gleization
 * Gleysol soil
 * Gliding door
 * Global insolation
 * Global solar radiation
 * Global wind
 * Gloss meter
 * Glucan
 * Glue laminated beam
 * Glycolic aldehyde
 * Goaf
 * Good faith agreement
 * Good faith effort
 * Good faith negotiation
 * Good utility practice
 * Gouy-Chapman model of the double layer
 * Gouy-Chapman-Stern model of the double layer
 * Graben fault
 * Graded effect
 * Graded stream
 * Gradient wind
 * Grains of pollutant per standard cubic foot of gas
 * Gram-atom
 * Gram-equivalent
 * Graminoid
 * Gram-mole
 * Granitic magma
 * Granolith
 * Granular precipitate
 * Grasscycling
 * Gravel gertie
 * Gravitational confinement fusion, Gravitational confinement
 * Gravitational water
 * Gravity feed system, Gravity flow system
 * Grazing capacity
 * Grazing food chain
 * Greater-than-class-c low-level waste
 * Green liquor
 * Green marketing
 * Green pricing
 * Green procurement
 * Green Run
 * Green ton
 * Green-e
 * Greenfield plant
 * Greenhouse window
 * Grenz ray
 * Grid south
 * Grinding of waste
 * Grit blasting
 * Gross alpha particle activity
 * Gross area
 * Gross beta particle activity
 * Gross calorific value
 * Gross capacity
 * Gross generation
 * Gross head
 * Gross heating value
 * Gross hydraulic head
 * Gross vehicle weight
 * Ground frost
 * Ground ice
 * Ground moraine
 * Ground pressure
 * Ground reflection
 * Grounded conductor
 * Ground-fault
 * Groundwater banking
 * Groundwater consolidation
 * Groundwater flow
 * Groundwater pumpout
 * Groundwater recharge
 * Groundwater replenishment
 * Groundwater storage
 * Groundwater transmissibility
 * Group quarter
 * Group-selection method
 * Grout curtain
 * Growing stock
 * Growth management plan
 * Grubbing
 * Guaiacyl
 * Guide vane
 * Guinea pig maximization test
 * G-value
 * Gypsic
 * Gytta
 * Habit of a mineral
 * Habitat conservation plan
 * Hadal zone
 * Half-thickness
 * Halide class of mineral
 * Haloacetic acid
 * Halon-2402
 * Hammerpond
 * Hand loading
 * Hand pile
 * Hanging glacier
 * Hanging-mercury-drop electrode
 * Hardened target
 * Hardening off
 * Hardgrove grindability index
 * Hatchery production
 * Haulageway
 * Hauler
 * Hauling fee
 * Hawaiian high
 * Hazard mitigation plan
 * Hazard ranking system score
 * Hazardous air pollutant
 * Hazardous and Solid Waste Amendment
 * Hazardous Substances and Health Effects Database
 * Hazardous Waste Identification Rule
 * H-coal process
 * Head gate
 * Head track
 * Headframe
 * Headrace
 * Headspace analysis
 * Headwater retreat
 * Headworks structure
 * Health consultation
 * Health investigation
 * Health outcome data
 * Health outcomes study
 * Health risk assessment
 * Health spa
 * Health statistics review
 * Health surveillance
 * Health-based standard
 * Healthy worker effect
 * Heap leach solution
 * Heat absorbing window glass
 * Heat balance
 * Heat content gross
 * Heat content net
 * Heat flux
 * Heat gain
 * Heat loss
 * Heat of formation
 * Heat of hydration
 * Heat pump water heater
 * Heat rate
 * Heat recovery ventilator
 * Heat register
 * Heat source
 * Heat storage capacity
 * Heat storage
 * Heat transfer efficiency
 * Heat transfer fluid (currently a redirect to coolant, but can be used for heating as well as cooling)
 * Heat transmission coefficient
 * Heated space
 * Heating capacity
 * Heating curve
 * Heating equipment
 * Heating fuel unit
 * Heating fuel
 * Heating load
 * Heating season
 * Heating seasonal performance factor
 * Heating stove
 * Heating zone
 * Heat-strengthened glass
 * Heat-up
 * Heaving
 * Heavy nucleus
 * Heavy particle
 * Hedging contract
 * Heel of a dam
 * Heliochemical process
 * Heliothermal, Heliothermic
 * Heliothermometer
 * Helmholtz model of the double layer
 * Helophyte
 * Hematopoietic agent
 * Hemispherical bowl technology
 * Henderson equation
 * Herbaceous energy crop
 * Heterogeneous charge-transfer reaction
 * Heterotrophic plate count, Aerobic plate count, Total plate count
 * Hibernacula
 * High loft
 * High radiation area
 * High temperature superconductor
 * High-altitude burst of a nuclear weapon
 * High-energy consumer
 * High-grade paper
 * High-level waste slurry
 * High-level waste
 * Highly saline water
 * High-performance insulation
 * High-performance linerboard
 * High-precipitation storm
 * High-pressure boiler
 * High-temperature gas-cooled reactor
 * High-temperature reservoir
 * High-temperature solar thermal collector
 * High-value added consumer
 * Highwall miner
 * Hill effect
 * Hinged window
 * Historic floodplain
 * Hittorf method
 * Hog fuel, Hogged fuel
 * Hoisting
 * Holding pond
 * Holdup material
 * Holistic ecosystem management
 * Holocellulose
 * Home energy rating system
 * Home steel scrap
 * Homogeneous charge-transfer reaction
 * Homojunction
 * Horizontal drilling
 * Horizontal slider
 * Horizontal-axis wind turbine, H-rotor
 * Hornito
 * Horsepower-hour
 * Host utility
 * Hot air furnace
 * Hot cell
 * Hot dipping
 * Hot laboratory
 * Hot leg
 * Hot tap
 * Hot working
 * Hot-deck imputation
 * Household hazardous waste
 * Housing unit
 * Hub height
 * Humic matter
 * Hybrid renewable energy system
 * Hydration number
 * Hydraulic fracturing
 * Hydraulic head pressure
 * Hydraulic head water
 * Hydraulic load
 * Hydraulic set cement
 * Hydrocarbon photochemical reactivity
 * Hydrodynamic boundary layer
 * Hydrodynamic voltammetry
 * Hydroelectric diversion
 * Hydroelectric dump
 * Hydroelectric impoundment
 * Hydroelectric power pool
 * Hydroelectric propeller turbine
 * Hydrofracture
 * Hydrofracturing
 * Hydrogasification
 * Hydrogen evolution reaction
 * Hydrogen-induced cracking
 * Hydrogeologic study
 * Hydrolittoral
 * Hydrologic budget
 * Hydroperiod
 * Hydroperoxy radical
 * Hydropower license, exemption
 * Hydropower license, major
 * Hydropower license, minor
 * Hydropower relicensing
 * Hydropyrolysis
 * Hydroscope
 * Hydrostatic level
 * Hydrostatic
 * Hydrothermal alteration
 * Hydrothermal fluid
 * Hydrothermal reservoir
 * Hydroxyacetaldehyde
 * Hydrualic head level
 * Hypereutrophic
 * Hypolimnion layer
 * Hypolimnion zone
 * Hypopotamon
 * Hypsometric diagram
 * Hysteresis loop
 * Ice apron
 * Ice cave
 * Ice fall
 * Ice jam
 * Ice lense
 * Ice pellet
 * Ice rafting
 * Ice shelve
 * Ice sizzling
 * Ice-cored moraine
 * Ice-dammed lake
 * Ice-marginal lake
 * Ideal depolarized electrode
 * Ideal polarized electrode
 * Ignition point
 * Ignition temperature
 * III-V material
 * I-joist
 * Ilkovic equation
 * Illuviation
 * Imhoff treatment system
 * Immature soil
 * Immediate roof
 * Immersion plating
 * Immobilization (waste)
 * Immobilized electrolyte
 * Impact energy
 * Impermeable
 * Impervious
 * Imported water
 * Impounded water
 * Improved recovery
 * Impulse turbine
 * In situ gasification
 * In situ leach mining
 * In situ microbial filter
 * In situ processing
 * Inceptisol
 * Incident solar radiation
 * Incidental harvest
 * Incidental take
 * Incineration of nuclear waste
 * Inclined grate
 * Incomplete combustion
 * Increment borer
 * Incremental effect
 * Incremental reactivity
 * Independent power producer
 * Independent producer
 * Independent transmission company
 * Indeterminate public health hazard
 * Index contour
 * Indicated mineral resource
 * Indicator organism
 * Indirect electrolysis
 * Indirect liquefaction
 * Indirect solar gain system
 * Indirect source
 * Indirect use
 * Indium oxide
 * Individual cancer risk
 * Indoor air pollution, Indoor air pollutant
 * Induction generator
 * Induction period
 * Industrial process heating
 * Industrial radioactive waste
 * Industrial restriction
 * Industrial scrap
 * Industrial smog
 * Industrial steel scrap
 * Industrial water use
 * Industrial wiper
 * Inert electrode
 * Inferred mineral resource
 * Inferred reserve base
 * Infilling well
 * Infilling
 * Infiltration barrier
 * Infiltration rate
 * Infinite source thickness
 * Inflow
 * Influent
 * Infralittoral
 * Inherently low emission vehicle
 * Inhibition model of succession
 * Initial nuclear radiation
 * Injection well
 * Inlet structure channel
 * Inner-sphere charge-transfer reaction
 * Inoperable capacity
 * Inorganic substance
 * Inorganic waste
 * Inosilicate
 * Input power
 * Insertion mutation
 * Inset staple
 * Insolation weathering
 * Inspection and maintenance program
 * Installed capacity
 * Instantaneous efficiency of a solar collector
 * Instantaneous flow
 * Institutional radioactive waste
 * In-stream flow
 * In-stream right
 * In-stream use
 * Insulated ceiling fixture
 * Insulated shutter
 * Insulation blanket
 * Insulation density
 * Insulation roll
 * Intake tower
 * Intangible transition charge
 * Integrated collector storage solar system
 * Integrated heating system
 * Integrated manufacturer
 * Integrated sampling device
 * Integrated Waste Management Act
 * Integrated waste management, Integrated solid waste management
 * Intensive recycling
 * Interest coverage ratio
 * Interest expense
 * Interim remedial measure
 * Interlocker, Interlocking stile
 * Intermediate annealing
 * Intermediate load
 * Intermediate processing center
 * Intermediate rock
 * Intermediate temperature reservoir
 * Intermittent generator
 * Intermittent resource
 * Intermittent stream
 * Intermittent test
 * Internal collector storage
 * Internal combustion electric power plant
 * Internal demand
 * Internal electrolyte, Filling solution
 * Internal exposure
 * Internal gain
 * Internal mass
 * Internal radiation exposure
 * Internal reference electrode
 * Internal resistance drop
 * International bunker
 * International Code Council
 * International energy agency
 * International log rule
 * Interrelationship
 * Interrupting rating, Interruption rating
 * Interspecific interaction
 * Intertied
 * Intramolecular force
 * Intraperitoneal
 * Intraspecific interaction
 * Intrinsic coercive force
 * Intrinsic layer
 * Inundation map
 * Invariant point
 * Inverse square law of radiation
 * Inverted block rate
 * In-vessel composting
 * Investment tax credit
 * Ion exchange membrane
 * Ion exchanging
 * Ion-dipole force
 * Ionic conductor
 * Ionic current
 * Ionic mobility
 * Ionization current
 * Iridium anomaly
 * Iron scrap
 * Irradiated fuel
 * Irradiating
 * Irreversible electrode
 * Irreversible electrodes reaction
 * Irreversible loss
 * Irrigation district
 * Irrigation diversion
 * Irrigation screen
 * Isoheight
 * Isolated solar gain system
 * Isolated-ground plug, Isolated-ground receptacle
 * Isolating switch
 * Isolation barrier
 * Isolation diode
 * Isometric transition
 * Isopach
 * Isopropylbenzene
 * Isostatic depression
 * Isothermal layer
 * Isotope abundance, Isotopic abundance
 * Isotope farm
 * Isotope geochronology
 * Isotope geology
 * Isotron
 * Isotropic magnet
 * Itinerant waste buyer
 * Jamb
 * Jet max, Jet streak, Speed max
 * Jibb
 * Jig saw steel
 * Job-site hazards analysis
 * Joint use
 * Joint-use hydroelectric facility
 * Junction box
 * Junction diode
 * Jurisdictional
 * Juvenile transportation
 * Juvenile water
 * Kame terrace
 * Kayser
 * Kelvin timescale
 * Ketone-alcohol
 * Kettle moraine
 * Keyway
 * Kickoff depth
 * Killed steel
 * Kinetic energy released in material
 * Kingdom animalia
 * Kingdom archaea
 * Kingdom monera
 * Kingdom plantae
 * Kingdom protista
 * Klason lignin
 * Knee of the demagnetization curve
 * Knee-wall
 * Knife switch
 * Knotty core
 * Known geothermal resource area
 * Knutson-Vandenberg Act
 * Konimeter
 * Kraft-faced vapor retarder
 * Kryptonate
 * K-selected species
 * Ladder fuel
 * Laevorotatory
 * Lake management
 * Lake restoration
 * Lake stewardship
 * Laminated glass
 * Laminated linerboard
 * Lammas shoot
 * Land disposal restriction
 * Land remote-sensing satellite
 * Land retirement
 * Landfilling
 * Landlord activities
 * Land-use restriction
 * Landward
 * Langbeinite
 * Lap-weld
 * Large hydropower plant
 * Lasagna technology
 * Latency period
 * Latent cooling capacity
 * Latent cooling load
 * Lateral canal
 * Laterization
 * Latex paint
 * Latosol
 * Lattice girder
 * Lava delta
 * Lava lake
 * Law of basin area
 * Law of stream length
 * Law of stream number
 * Law of supply
 * Lay up
 * Layering method
 * Le Chatelier's mixing rule
 * Leach rate of nuclear waste
 * Leachate pond
 * Leachfield
 * Lead alkyl
 * Lead equivalent
 * Leaf bud
 * Leaf drip
 * Leakage flux (possibly inappropriate redirect)
 * Leaking electricity
 * Lease and plant fuel
 * Lease condensate
 * Lease separation facility
 * Lease separator
 * Least cost planning
 * Leclanché battery
 * Ledger paper
 * Leeward side
 * Legacy cost
 * Legacy waste
 * Length of air-gap
 * Lentic water
 * Lenz effect
 * Lethal concentration 50
 * Lethal dose 50/30
 * Lethal dose low
 * Level of free convection
 * Leveling agent
 * Levelized billing
 * Levelized cost
 * Lifeline rate
 * Light quality
 * Light trapping
 * Light-gauge steel
 * Light-induced defect
 * Light-to-solar-gain ratio
 * Lignin pseudo-molecule for modeling
 * Lignin ratio of meo to c9
 * Lignocellulose
 * Limited-area feller-buncher
 * Limiting condition for operation
 * Limiting current density
 * Limiting safety system setting
 * Limnetic community
 * Limnocrene
 * Line drop
 * Line echo wave pattern
 * Line fault
 * Line jack
 * Line loss
 * Line pipe
 * Linear effect model
 * Linear heat generation rate
 * Linear-quadratic effect model
 * Line-commutated inverter
 * Linerboard
 * Liquefied refinery gases
 * Liquid collector
 * Liquid crystal glazing
 * Liquid metal nuclear fuel
 * Liquid-based solar heating system
 * Liquid-junction potential
 * Liquid-to-air heat exchanger
 * Liquid-to-liquid heat exchanger
 * Lithium-sulfur battery
 * Litterfall
 * Little climatic optimum
 * Littoral community
 * Littoral transportation
 * Live bottom
 * Live circuit
 * Live part
 * Live reservoir storage
 * Livestock water use
 * Lixiviation
 * Load building
 * Load center (different meaning)
 * Load control
 * Load cycling
 * Load diversity
 * Load duration curve
 * Load following
 * Load forecast
 * Load leveling
 * Load line
 * Load management
 * Load profile
 * Load ratio share
 * Load shape effect
 * Load shape
 * Load shedding
 * Load shifting
 * Load side and line side
 * Local distribution company
 * Local solar time
 * Local speed of light
 * Locational marginal pricing
 * Lock bay
 * Lockage
 * Log defect
 * Log law
 * Long range aid to navigation
 * Long-range transport
 * Longwall miner
 * Long-wave infrared radiation
 * Loop flow
 * Loop transmission system
 * Loose coal
 * Loose-fill insulation
 * Lopping and scattering
 * Losing stream
 * Lost opportunity
 * Lost revenue
 * Lot line adjustment
 * Lotic water
 * Low Btu gas
 * Low flow toilet
 * Low flush toilet
 * Low head
 * Low heating value
 * Low NOX burner
 * Low population zone
 * Low temperature thermal stripping
 * Low voltage cutoff
 * Low water cutoff
 * Low-alloy steel (different meaning)
 * Low-carbon steel
 * Low-conductance spacer
 * Low-e coating
 * Low-e window film
 * Low-e window
 * Low-emission vehicle
 * Low-emission vehicles II
 * Low-emittance coating
 * Low-emittance window
 * Low-energy consumer
 * Lower mantle
 * Lowest achievable emissions rate
 * Low-flow fixture
 * Low-flow solar water heating system
 * Low-grade paper
 * Low-income home energy assistance program
 * Low-level mixed waste
 * Low-level radioactive waste
 * Low-level waste
 * Low-power testing
 * Low-pressure boiler
 * Low-sulfur fuel
 * Low-temperature collector
 * Low-temperature reservoir
 * Low-temperature solar thermal collector
 * Low-temperature thermal desorption
 * Lubricity
 * Luggin capillary, Luggin probe, Luggin tip
 * Lumen maintenance control
 * Lumens per watt
 * Lumens/watt
 * Lunate fracture
 * Luvisol soil
 * Lysimeter
 * M-85 (different meaning)
 * Macadamized road
 * Mach stem
 * Machine drive of a motor
 * Machine stress rated lumber
 * Macrophyte
 * Macroscale
 * Magma column
 * Magmatic water
 * Magnesium battery
 * Magnet wire
 * Magnetic ballast
 * Magnetic inclination
 * Magnetic interference
 * Magnetic pole variation
 * Magnetic stability
 * Magnetic temperature coefficient
 * Magnetizing force
 * Magneto hydrodynamics
 * Magnetoelectrochemistry
 * Magsat satellite
 * Main channel
 * Main heating fuel
 * Main stem
 * Maintenance outage
 * Maintenance-free battery
 * Major source
 * Make-up air
 * Malleabilizing
 * Man lock
 * Mandatory carriage
 * Maneuvering reentry vehicle
 * Manifold business form
 * Man-made element
 * Manual J
 * Marginal farmland
 * Marginal land
 * Marginal price
 * Marginal reserve
 * Marginal well
 * Marine cranking amp
 * Maritime effect
 * Maritime polar air mass
 * Maritime tropical air mass
 * Mass burn facility
 * Mass closure
 * Mass percentage
 * Mass transport (different meaning)
 * Master-metering
 * Material exchange program
 * Material reactor
 * Material recovery
 * Materials exchange program
 * Matric force
 * Maximum achievable control technology
 * Maximum contaminant level
 * Maximum demand
 * Maximum drawdown
 * Maximum energy product
 * Maximum forebay
 * Maximum incremental reactivity
 * Maximum power point
 * Maximum residue limit
 * Maximum stream-flow
 * Mean annual increment
 * Mechanical property
 * Medial moraine
 * Median dose
 * Median lethal concentration
 * Median water condition
 * Medical monitoring
 * Mediolittoral
 * Medium Btu gas
 * Medium sand
 * Medium-temperature solar thermal collector
 * Meeting rail
 * Megawatt-day
 * Melting range
 * Meltwater
 * Member system
 * Membrane electrode
 * Merchant facility
 * Meridional flow
 * Meridional transportation
 * Mesohaline
 * Mesoscale convective complex
 * Mesotrophic lake
 * Metal deposition
 * Metal dissolution
 * Metal foil
 * Metal-air fuel cell
 * Metalimnion layer
 * Metalimnion zone
 * Metallic glass
 * Metallurgical coal
 * Metallurgical coke
 * Metallurgical laboratory
 * Metapotamal
 * Metapotamon
 * Metarhitral
 * Metarhitron
 * Metasomatic metamorphism
 * Metastable state
 * Meteoric water
 * Meter badge
 * Meter constant
 * Methane flux
 * Methyl chloroform
 * Methyl ethyl keytone
 * Methyl radical
 * Micro hydropower plant
 * Microfauna
 * Microgroove
 * Microscale
 * Micro-site
 * Microwave solidification
 * Middle distillate
 * Mid-grade gasoline
 * Milankovitch theory
 * Mill broke
 * Mill dam
 * Mill feed
 * Mill pond
 * Mill residue
 * Milldam
 * Millpond
 * Millrace
 * Millrun
 * Mimeo paper
 * Minable
 * Mine type
 * Mined geologic disposal system
 * Mine-mouth power plant
 * Mineral fiber insulation
 * Mineral granule
 * Minerotropic wetland
 * Mini-generator
 * Minimal action
 * Minimal risk level
 * Minimum charge
 * Minimum flow level
 * Minimum forebay
 * Minimum operating pool
 * Minimum recycled content law
 * Minimum stream-flow
 * Minority carrier lifetime
 * Mire
 * Mitigated determination of non-significance
 * Mitigation (environmental)
 * Mixed nuclear waste
 * Mixed potential
 * Mixed tide
 * Mixed transuranic waste
 * Mixing combustion
 * Mixing height
 * Mixing valve
 * Mobile source emission
 * Mobile substation
 * Model energy code
 * Moderately exposed
 * Moderately strong current
 * Moderating ratio
 * Moderator temperature coefficient of reactivity
 * Modern sanitary landfill
 * Modified degree-day method
 * Modular burner
 * Modular incinerator
 * Moist coal basis
 * Moisture content, dry basis
 * Moisture content, wet basis
 * Moisture control
 * Moisture free basis
 * Moisture in biomass
 * Molar activity
 * Molecularity of a reaction
 * Molten carbonate fuel cell
 * Molten-salt solar power
 * Monera kingdom
 * Monitored retrievable storage facility
 * Monitoring well
 * Monocline
 * Monoclinic system
 * Monofill
 * Montreal protocol
 * Mor
 * Morning glory spillway
 * Morphological system
 * Morphometry
 * Most efficient recovery
 * Mother of pearl cloud
 * Motor gasoline blending component
 * Motor gasoline blending
 * Motor gasoline, conventional
 * Motor gasoline, finished leaded premium
 * Motor gasoline, finished leaded regular
 * Motor gasoline, finished unleaded
 * Motor gasoline, finished
 * Motor gasoline, oxygenated
 * Motor gasoline, reformulated
 * Motor speed
 * Mountain breeze
 * Mountain glacier
 * Movable insulation
 * Multi-aquifer well
 * Multicrystalline
 * Multigeneration study
 * Multijunction device
 * Multimedia exposure
 * Multiple completion
 * Multiple junction cell
 * Multipurpose reservoir
 * Multispectral scanner
 * Multistage area probability sample
 * Municipal debt
 * Municipal utility
 * Municipal wastewater
 * Muntin grille
 * Muntin
 * Muon catalysis of fusion
 * Mutualism interaction
 * Nailing fin
 * Name plate
 * Natal stream
 * National Ambient Air Quality Standard
 * National Association of Regulatory Utility Commissioners
 * National Conference of State Legislatures
 * National Defense Authorization Act
 * National Emissions Standards for Hazardous Pollutants
 * National Energy Strategy
 * National Exposure Registry
 * National Fenestration Rating Council
 * National Forest Management Act
 * National Petroleum Council
 * National Pollution Discharge Elimination System
 * National security information
 * National Uranium Resource Evaluation
 * Native element
 * Native stock
 * Natural cycle
 * Natural draft
 * Natural gamma-ray spectroscopy
 * Natural Gas Act
 * Natural gas co-firing
 * Natural gas compression
 * Natural gas compressor station
 * Natural gas cycling
 * Natural gas distribution system
 * Natural gas dry production
 * Natural gas hydrate
 * Natural gas marketed production
 * Natural gas plant liquid
 * Natural Gas Policy Act of 1978
 * Natural gas processing plant
 * Natural gas producer
 * Natural gas service type
 * Natural gas steam reforming production
 * Natural gas storage
 * Natural gas stripper well
 * Natural gas transmission system
 * Natural gas vaporizer
 * Natural gasoline
 * Natural regeneration
 * Natural resources trustee
 * Natural stream-flow
 * Natural ventilation
 * Naturally occurring radioactive material
 * Near neat fuel
 * Neat alcohol fuel
 * Neat fuel
 * Needle ice
 * Negative declaration
 * Nemoral
 * Neodymium-iron-boron magnet
 * Neonatal stage
 * Nephelometric turbidity unit
 * Neptunium series
 * Neritic
 * Nernst slope
 * Nernstian behavior
 * Net head
 * Net heating value
 * Net hydraulic head
 * Net ionic reaction
 * Net pen
 * Network polymer (different meaning)
 * Neustal
 * Neutral atmosphere
 * Neutral axis
 * Neutral beam
 * Neutral conductor
 * Neutral detergent fiber
 * Neutral solution
 * Neutralism interaction
 * Neutralization point
 * Neutralizer
 * Neutron balance
 * Neutron embrittlement
 * Neutron generation
 * Neutron leakage
 * Neutron lethargy
 * Neutron log
 * Neutron number
 * Neutron resonance
 * Neutron shielding
 * Niche specialization
 * Nickel steel
 * Nickpoint, Knickpoint
 * Nitric oxide radical
 * Nitriding steel
 * Nitrogen purge
 * Nitrogen saturation
 * Nitrogen supersaturation
 * Nivation hollow
 * No apparent public health hazard
 * No further action
 * No migration variance petition
 * No observable effect level
 * No public health hazard
 * No threshold premise
 * Nocturnal cooling
 * Noise barrier
 * Nominal capacity
 * Nominal dollar
 * Nominal operating cell temperature
 * Nominal price
 * Non-associated natural gas
 * Non-attainment area
 * Non-carbonate hardness
 * Non-carcinogenic effect
 * Non-commercial species
 * Non-consumptive water use
 * Non-conventional uranium plant
 * Non-crystalline
 * Non-friable
 * Non-incendive circuit
 * Non-Nernstian behavior
 * Non-ohmic resistance behavior
 * Non-point source pollution
 * Non-polarizable electrode
 * Non-power reactor
 * Non-slagging coal
 * Non-sparking tool
 * Non-symbiotic mutualism interaction
 * Non-thermal system
 * Non-utility generator, Non-utility power producer
 * No-observed-adverse-effect-level
 * No-observed-effect-level
 * Normal cooling degree-day
 * Normal degree-day
 * Normal electrode potential
 * Normal heating degree-day
 * Normal hydrogen electrode
 * Normal lapse rate
 * Normal recovery capacity
 * Normal water surface level
 * Normalizing of steel
 * North/south
 * Notice of intent
 * Notice of noncompliance
 * Notice of transfer
 * Not-in-kind technologies
 * Nuclear absorber
 * Nuclear assay meter
 * Nuclear assay
 * Nuclear compact
 * Nuclear defense waste
 * Nuclear disintegration energy
 * Nuclear disintegration
 * Nuclear emergency classification
 * Nuclear fingerprint
 * Nuclear fission startup
 * Nuclear fuel credit
 * Nuclear fuel reloading
 * Nuclear geology
 * Nuclear liability
 * Nuclear material and facility stabilization
 * Nuclear material loan
 * Nuclear migration
 * Nuclear park
 * Nuclear pressurizer
 * Nuclear reactor coolant
 * Nuclear reactor leakage
 * Nuclear reactor pressure vessel
 * Nuclear reactor sarcophagus
 * Nuclear reactor vessel head
 * Nuclear recycling
 * Nuclear residue
 * Nuclear source material
 * Nuclear steam supply system
 * Nuclear triad
 * Nuclear waste repository
 * Nuclear weapon primary
 * Nuclear weapons complex
 * Nuclear weapons stockpile
 * Nucleonics
 * Nuclide isobar
 * Nuisance material
 * Nutrient cycling
 * Nutrient depletion
 * Nutrient removal
 * Nutrification, Nutrient loading
 * Obligation code
 * Obligation to serve
 * Oblique aerial photograph
 * Obscure glass
 * Occupancy sensor
 * Occupational exposure
 * Occupied space
 * Ocean energy system
 * Octane enhancer
 * Odor threshold
 * Off-channel habitat
 * Off-gassing
 * Office of Civilian Radioactive Waste Management
 * Office of Environmental Health Hazard Assessment
 * Off-peak electricity
 * Off-peak energy storage
 * Off-peak energy
 * Offset well
 * Off-site mitigation
 * Off-stream use
 * Ogee spillway
 * Ohmic loss
 * Ohmic overpotential, Resistance overpotential, Solution internal resistance drop
 * Ohmic resistance behavior
 * Oil hardening
 * Oil saturation
 * Oil vessel
 * Oil well casing head gas
 * Old corrugated cardboard
 * Olefin content
 * Oligohaline
 * Oligotrophic lake
 * Ombrogenous peat
 * Ombrotrophic
 * Onboard diagnostics
 * Onboard refueling vapor recovery
 * Onboard vapor recovery
 * Once-through cooling system
 * Once-through nuclear fuel
 * One sun
 * One-axis tracking
 * One-tailed statistical test
 * On-offshore transport
 * On-peak electricity
 * On-peak energy
 * Onshore-offshore transport
 * Onsite generation
 * Open access of an electrical grid
 * Open circuit potential, Equilibrium electrode potential
 * Open dump
 * Open sea
 * Open-circuit voltage
 * Open-loop fuel control
 * Open-loop system
 * Operable window
 * Operable
 * Operating range
 * Operating reservoir storage
 * Operating reservoir surface
 * Operating revenue
 * Operating subsidiary
 * Operation and maintenance expense
 * Operational mode
 * Optional delivery commitment
 * Oragraphic cloud
 * Organ dose
 * Organic sedimentary rock
 * Organic soil
 * Organic waste (currently a redirect)
 * Orientation direction, Easy axis, Angle of inclination
 * Original cost
 * Oroboreal
 * Orthofluvial
 * Oscillating water column
 * Outer-sphere charge-transfer reaction
 * Outflow
 * Out-gassing
 * Outlet tunnel, Outlet work
 * Outside coil
 * Outside diameter
 * Over potential, Over voltage
 * Overbank flow
 * Overchute
 * Over-current
 * Overdraft of groundwater
 * Overexploitation
 * Overhang
 * Overload capacity
 * Overload protection
 * Overnight capital cost
 * Overpacking
 * Overstory
 * Overthrust fault
 * Overturned fold
 * Ovonic
 * Oxidation/reduction potential
 * Oxide class of mineral
 * Oxygen concentration cell
 * Oxygen deficiency, Oxygen deficient atmosphere
 * Oxygen evolution reaction
 * Oxygen gas
 * Oxygen reduction reaction
 * Oxygenated fuels program reformulated gasoline
 * Ozone precursor
 * P/N semiconductor
 * Pacific high
 * Packaging waste
 * Packed-bed electrode
 * Packing factor
 * Pad-mounted equipment
 * Pair annihilation
 * Paleolake
 * Palsa
 * Panel radiator
 * Panemone
 * Panoche formation
 * Paper mill sludge
 * Paper stock
 * Parafluvial
 * Parallax-second
 * Parallel path flow
 * Parallel-coupled cell
 * Paramagnetic material
 * Parametric test
 * Parapet wall
 * Partial current density
 * Partial half life
 * Particle density
 * Particle dispersed glazing
 * Particle size
 * Particle-induced gamma emission
 * Particle-induced prompt photon spectroscopy
 * Particle-induced x-ray emission
 * Particulate trap
 * Parting stop, Side stop Window stop
 * Passenger rail
 * Passenger-miles traveled
 * Passivation potential, Flade potential
 * Passive assay, Passive interrogation
 * Passive cooling, Natural cooling
 * Passive remote sensing
 * Passive seismic method
 * Passive soil vapor extraction
 * Passive solar building design
 * Passive solar heater
 * Passive solar home
 * Pass-through lake
 * Paternoster lake
 * Path function
 * Patterned ground
 * Patterned sheet
 * Paving stone
 * Peak alert
 * Peak annual flow
 * Peak clipping
 * Peak demand
 * Peak level
 * Peak load
 * Peak power
 * Peak shaving
 * Peak shifting
 * Peak watt
 * Peaking capacity
 * Peaking hydropower
 * Pediplain
 * Pedogenic regime
 * Pelagic water
 * Pele's tear
 * Pelitic
 * Penning gate
 * Pentanes plus
 * Perched dune
 * Percussion drill
 * Perennial stream
 * Perfluorocarbon tracer gas technique
 * Perfluoromethane
 * Perimeter heating
 * Permanent set
 * Permeability (materials)
 * Permeance coefficient
 * Permeation rate
 * Permit to operate
 * Permit
 * Permselectivity
 * Peroxidizable material, Peroxidizable substance
 * Peroxone
 * Peroxyacytal nitrate
 * Persistence study
 * Persistence time
 * Person-year
 * Pervious zone
 * Peukert number
 * Peukert's equation
 * Ph electrode
 * Phase leg
 * Phase separation
 * Phase-change material
 * Phenolic insulation
 * Phenolic plastic
 * Phosphate class of mineral
 * Phosphoric acid fuel cell
 * Photo infrared radiation
 * Photo-allergic contact dermatitis
 * Photo-biological hydrogen production
 * Photo-electrochemical cell
 * Photo-electrochemistry
 * Photo-electrolysis hydrogen production
 * Photo-electrolytic cell
 * Photo-electrosynthesis
 * Photo-galvanic process
 * Photometric brightness
 * Photoneutron
 * Photonuclear reaction
 * Photostationary state
 * Photovoltaic conversion efficiency
 * Photovoltaic device
 * Photovoltaic efficiency
 * Photovoltaic generator
 * Photovoltaic substrate
 * Photovoltaic system
 * Photovoltaic window
 * Photovoltaic-thermal system
 * Phreatic water
 * Phreatomagmatic eruption
 * Phylogenic classification
 * Physical hazard
 * Physical weathering
 * Picture window
 * Pilot program
 * Pilot project
 * Pilot-scale project
 * P-I-N
 * Pioneer community
 * Pipe-clay triangle
 * Pipeline booster
 * Pipeline quality natural gas
 * Pipeline transmission
 * Pit pond
 * Pitted topography
 * Pivot window
 * Plagioclase feldspar
 * Plane-polarized light
 * Planned special exposure
 * Plant association
 * Plant condensate
 * Plant kingdom
 * Plant-use electricity
 * Plasma hearth furnace process, Plasma melter technology
 * Plastic cement
 * Plastic failure
 * Plastic film
 * Plastic rigid foam
 * Plate girder
 * Plateau basalt
 * Platinized platinum electrode
 * Platinum black
 * Plug-flow digester
 * Plutonium oxide
 * Plutonium pit
 * Plutonium uranium extraction
 * Pneumatic device
 * Pneumatic trough
 * Pocket dosimeter, Pocket ion chamber
 * Podzol soil
 * Podzolization
 * Point bar
 * Point defect
 * Point-contact cell
 * Point-source pollution
 * Poisoning of nuclear fuel
 * Polar axis
 * Polar cell
 * Polar glacier
 * Polarizable electrode
 * Polarization curve
 * Polarization loss
 * Polarizing power
 * Polarography, Polarogram (needs more information)
 * Pole piece
 * Polishing treatment
 * Pollutant standards index
 * Pollution control technologies
 * Pollution dose
 * Pollution episode
 * Pollution load
 * Polybasic
 * Polycyclic landform
 * Polyethylene tetraphthalate
 * Polyhaline
 * Polymer electrolyte membrane fuel cell
 * Polymer-bonding magnet
 * Polymer-electrolyte membrane
 * Polypedon
 * Pondage
 * Pony truss bridge
 * Pool reactor
 * Pooling company
 * Population crash
 * Population equivalent
 * Population weighted degree day
 * Pore ice
 * Pore pressure
 * Pore space
 * Porosity unit
 * Porous disk
 * Porous electrode
 * Portfolio standard
 * Positional probability
 * Positive crankcase ventilation
 * Positron annihilation
 * Possession-only license
 * Post-aeration
 * Post-mining emission
 * Potamal
 * Potential gravitational energy
 * Potential of zero charge
 * Potential pH diagram
 * Potentially exposed
 * Potentiation
 * Potentiometry
 * Potentiostatic technique
 * Pound of steam
 * Pounding damage
 * Pounds per square inch absolute
 * Pounds per square inch differential
 * Pounds per square inch gauge
 * Pounds per square inch
 * Power authority, Power district
 * Power coefficient of reactivity
 * Power coefficient
 * Power conditioning
 * Power defect
 * Power map
 * Power marketer
 * Power output curve
 * Power pool
 * Power purchase agreement
 * Power reactor
 * Precipitable water
 * Precipitation hardening stainless steel
 * Precipitation interception
 * Precipitator
 * Preconsolidation
 * Pre-consumer paper waste
 * Precycling
 * Predicted environmental concentration
 * Preferred option
 * Pregnant solution
 * Premium gasoline
 * Preparation plant (coal)
 * Present worth factor
 * Pressure drop
 * Pressure melting point
 * Pressurization testing
 * Pressurized heavy water reactor
 * Pre-stressed dam
 * Prevailing westerlies
 * Prevention of significant deterioration
 * Price cap
 * Price squeeze
 * Pricing parity
 * Primary air
 * Primary bond
 * Primary circuit
 * Primary consumer
 * Primary current distribution
 * Primary energy resource
 * Primary material
 * Primary oil recovery
 * Primary particle
 * Primary pollutant
 * Primary service
 * Primary wastewater treatment, Primary treatment
 * Primer coat
 * Principle meridian
 * Prior appropriation doctrine
 * Prismatic soil
 * Private activity bond
 * Probable maximum flood
 * Probable mineral reserve
 * Problem material
 * Process annealing
 * Process cooling, Process refrigeration
 * Process engineered fuel
 * Process gas
 * Process heating
 * Producer responsibility (waste)
 * Product reject
 * Product tax
 * Production costing
 * Production expense
 * Production factor
 * Production reactor
 * Production sharing agreement
 * Profundal community
 * Progradation
 * Programmable controller
 * Progressive succession
 * Projected area
 * Projected window
 * Prompt steel scrap
 * Proportional limit
 * Prorating
 * Protection factor (sunscreen, respirator, safety equipment)
 * Protista kingdom
 * Proven mineral reserve
 * Provider of last resort
 * Proximate analysis
 * Proxy data
 * P-series fuel
 * Psychrometric table
 * Public comment
 * Public health action
 * Public health activities
 * Public health advisory
 * Public health assessment
 * Public health hazard
 * Public health statement
 * Public participation
 * Public street and highway lighting
 * Public Utilities Regulatory Policy Act
 * Public utility commission, Public services commission
 * Public Utility Holding Company Act
 * Public water supply
 * Public workshop
 * Pulsed neutron
 * Pulse-width-modulated wave inverter
 * Pultrusion
 * Pulverized coal injection system
 * Pump lift
 * Pump octane
 * Pump plant
 * Pump tank
 * Pump-and-treat system
 * Pumping lift
 * Pumping plant
 * Pumping tank
 * Pumping-generating plant
 * Punch (other meanings)
 * Purpose built, Purpose made
 * Push button
 * Push moraine
 * Push-button
 * Pyramid of biomass
 * Pyramid of numbers
 * Pyrheliometer
 * Pyroclastic fall
 * Pyroclastic material
 * Pyrodenitrification
 * Qualification test
 * Qualifying facility
 * Quality of radiation
 * Quantal effect
 * Quark theory of the structure of matter
 * Quartzose
 * Quasi-reversible electrode
 * Quench hardening
 * Quick burst test
 * Q-value
 * R horizon
 * R soil horizon
 * Rack sale
 * Radarsat
 * Radiant ceiling panel
 * Radiant floor
 * Radiant flux density
 * Radiation activity
 * Radiation area
 * Radiation barrier, Radioactivity barrier
 * Radiation counter
 * Radiation damage
 * Radiation detector, Radiation detection
 * Radiation flux
 * Radiation fog
 * Radiation source
 * Radiation spectrum
 * Radiation standard
 * Radiation target
 * Radiation warning symbol
 * Radiatively active gases
 * Radiator vent
 * Radio receiver control
 * Radio-activation
 * Radioactive barrier
 * Radioactive cooling
 * Radioactive equilibrium
 * Radioactive material (inappropriate redirect, material is not necessarily waste)
 * Radioimmucoassays titer
 * Radioisotope cow
 * Radioisotope generator
 * Radiological sabotage
 * Radiological survey
 * Radwaste
 * Raindrop impact
 * Rainsplash
 * Rainwash
 * Raised wetland
 * Ramicorn
 * Ramping rate
 * Random copolymer
 * Rankine cycle engine, Rankine engine
 * Rate meter
 * Rate of discharge
 * Rated capacity
 * Rated life
 * Rated power output
 * Rational potential
 * Ratoon crop
 * Raw fuel
 * Reaction overpotential
 * Reaction product
 * Reaction turbine
 * Reactive metal
 * Reactive organic gas
 * Reactivity coefficient
 * Realized niche
 * Reaming
 * Reasonably available control measure
 * Reasonably available control technology
 * Reburning
 * Recessional moraine
 * Recharge area
 * Recharging
 * Reciprocating internal combustion engine
 * Recirculated air
 * Recirculation system
 * Recirculation
 * Recoil atom
 * Recombining cell
 * Recommended limit
 * Reconstituted glacier
 * Reconstituted product
 * Record of decision
 * Recovered energy
 * Recovered material
 * Recovery boiler
 * Recreational fishery (regulatory meaning)
 * Recumbent fold
 * Recurrence interval
 * Recyclable paper
 * Recycled content
 * Recycling contamination
 * Red list
 * Red water
 * Redox battery
 * Redox flow cell
 * Reduction tube
 * Re-enrichment
 * Reference exposure concentration
 * Reference exposure level
 * Reference man
 * Reference map
 * Refinery input
 * Reflected infrared radiation
 * Reflected wave
 * Reflective coating
 * Reflective glass
 * Reflective insulation
 * Reflective window film
 * Reflector lamp, Reflector light
 * Reflux distillation system
 * Reforming (chemistry)
 * Reformulated gasoline
 * Refraction of water waves
 * Refrigeration capacity
 * Refrigeration charge
 * Refueling emission
 * Refuse bank
 * Refuse mine
 * Refuse reclamation
 * Refuse-derived fuel
 * Regasification, Revaporization
 * Regenerant
 * Regenerative fuel cell
 * Regenerative heating
 * Regional power exchange
 * Regional reliability council
 * Regional transmission group
 * Regional Water Quality Control Board
 * Regosol soil
 * Regrind
 * Regular gasoline
 * Regulatory compact
 * Reid vapor pressure
 * Reinforcement (structural)
 * Reinjection (combustion)
 * Reinserted fuel
 * Relamping
 * Relative biological effect
 * Relative magnetic permeability, Relative permeability
 * Relative standard error
 * Reliability council
 * Remedial action
 * Remenance
 * Remote handling of waste
 * Remote system
 * Remote-handled transuranic waste
 * Removal action
 * Report year
 * Repowering, Repowered power plant
 * Representative dose
 * Representative fraction
 * Reprocessing (disambiguation)
 * Reproductive toxicology
 * Reproductive toxin
 * Re-refined oil
 * Reregulating dam, Afterbay dam
 * Reregulation
 * Reserve battery capacity
 * Reserve battery (special military and emergency batteries)
 * Reserve capacity (many meanings)
 * Reserve margin
 * Resident fish
 * Residual current density
 * Residual fiber
 * Residual induction
 * Residual power
 * Resilient channel
 * Resistive voltage drop
 * Resolved resonance
 * Resonant sonic drilling
 * Resource partitioning
 * Resource recovery
 * Respirable dust
 * Responsible party
 * Restricted data
 * Retail transaction
 * Reticulite
 * Retorting
 * Retreaded tire
 * Retreat mining
 * Retrogressive succession
 * Return flow
 * Return on average capital employed
 * Return path
 * Reverse bias (needs article mention)
 * Reversible electrode
 * Reversible hydrogen electrode
 * Reversible temperature coefficient
 * Reversible turbine
 * Reversing valve
 * R-factor (different meaning)
 * Rheocrene
 * Rheotropic
 * Rhitral
 * Rhodium plating
 * Ria coast
 * Ribbon fall
 * Ribbon silicon cell
 * Rift zone
 * Rigid foam board, Rigid insulation board
 * Rill
 * Rim joist, Band joist
 * Ringelmann chart
 * Rip rap protection
 * Riparian buffer
 * Riprap protection
 * River bed
 * River mile
 * River reach
 * Road oil
 * Roche moutonnee
 * Rock bin
 * Rock dusting
 * Rock gypsum (various meanings)
 * Rockfill dam
 * Rolled-fill dam
 * Roller gate
 * Roof pond
 * Roof vent
 * Roof window
 * Roofing substrate
 * Room air-conditioner
 * Room-and-pillar mining
 * Root ball
 * Root rot
 * Root wad
 * Root-to-shoot ratio
 * Roscoelite ore
 * Rotary cultivator
 * Rotary kelly bushing, Drive bushing
 * Rotary rig
 * Rotating-disk electrode
 * Rotating-ring-disk electrode
 * Rotating-wire electrode
 * Rotational slip
 * Rough opening
 * Roughness class
 * Roughness factor
 * Route of exposure
 * Rover fuel process
 * R-selected species
 * Rubber asphalt
 * Rubblization
 * Ruderal
 * Rule curve
 * Rule of 90
 * Runnel
 * Running and quick-start capability
 * Run-of-the-mine coal
 * Run-of-the-river dam
 * Run-of-the-river hydroelectricity
 * Saccharification
 * Sacrificial coating
 * Saddle dam
 * SAE viscosity number
 * Safe shutdown earthquake
 * Safe shutdown
 * Safe water yield, Safe yield
 * Safety injection
 * Safety limit
 * Safety relief valve
 * SAFSTOR
 * Sag pipe
 * Salable coal
 * Sales for resale
 * Saline soil
 * Salt water intrusion
 * Sand dune slack
 * Sand equation
 * Sand flat
 * Sand ripple
 * Sand sea
 * Sand sheet
 * Sanitary engineering
 * Sanitary waste
 * Sapropelic coal
 * Sash lift
 * Saturated adiabatic lapse rate
 * Saturated air
 * Saturated Btus
 * Saturated steam, Saturated vapor
 * Saturated temperature
 * Saturation mixing ratio
 * Scaler
 * Scattered radiation
 * Scheduled outage
 * Scoping process
 * Scoria cone
 * Scouring
 * Scramming
 * Screen analysis
 * Screw pile
 * Scroll case
 * Sea ball
 * Sea clam (ocean energy)
 * Sea dumping
 * Seabed disposal
 * Sealant
 * Sealed battery
 * Sealed combustion heating system
 * Sealed source
 * Seasonal efficiency
 * Seasonal performance factor
 * Seasonally dry
 * Seasonally wet
 * Seaward
 * Secondary carnivore
 * Secondary coal
 * Secondary consumer
 * Secondary current distribution
 * Secondary oil recovery
 * Secondary particle
 * Secondary pollutant
 * Secondary productivity
 * Secondary radiation
 * Secondary service
 * Secondary stress
 * Secondary substance (plants)
 * Secondary wastewater treatment
 * Sediment flushing
 * Sediment sluicing
 * Sedimentary structure
 * Sedimentation potential
 * Sedimentation tank
 * Seepage lake
 * Segregated ice
 * Seismic category I
 * Seismic decoupling
 * Seismic monitoring
 * Select grade
 * Selection differential
 * Selective mining
 * Selective surface coating
 * Selective withdrawal structure (reservoir)
 * Self-absorption factor
 * Self-absorption
 * Self-discharge, Self-discharging of batteries
 * Self-generation
 * Self-hardening steel
 * Self-radiolysis
 * Self-shielding
 * Semiconductor wafer
 * Semi-diurnal tide
 * Semi-finished steel
 * Sensible cooling capacity
 * Sensible cooling effect
 * Sensible cooling load
 * Sensible heat flux
 * Sensible heat storage
 * Sensible heat transfer
 * Sensitive area
 * Sensitive group
 * Sensitive species
 * Separate collection
 * Separating column
 * Separation energy
 * Separative work unit
 * Separator tank
 * Septage
 * Septic tank pumping, Septic tank pumper
 * Sequestrant, Sequestering agent (other meaning)
 * Series regulator
 * Series resistance
 * Series-coupled cell
 * Service area exclusivity
 * Service area
 * Service drop
 * Service factor
 * Service point
 * Service territory
 * Setback levee, Set-back levee
 * Setout container
 * Setting angle, Pitch angle, Blade angle
 * Settling pond
 * Sewage effluent pump
 * Sewage effluent
 * Sewage sludge
 * Sewer pill
 * Shading coefficient
 * Shaft horsepower
 * Shallow discharging
 * Shallow dose
 * Shallow water
 * Shear wave
 * Sheathing
 * Shedding (batteries)
 * Sheet erosion
 * Sheet flow
 * Sheet glass
 * Sheet pile
 * Sheeting
 * Shelf-shielding
 * Shield wire
 * Short circuit current
 * Short circuit withstand rating
 * Short-term exposure limit
 * Shortwall mining
 * Shotgun stick
 * Shunt regulator
 * Shunt-trip circuit breaker
 * Shutdown margin
 * Sial layer
 * Side fin
 * Side-arm boiling tube
 * Sidetrack (well)
 * Sidewalk pit (plant holes)
 * Sigma heat
 * Significant health risk
 * Significant wave
 * Silcrete
 * Silica geothermometer
 * Silicate class of mineral
 * Silicate magma
 * Silicicolous
 * Sill track
 * Siltation
 * Silver solder
 * Silver/silver-chloride electrode
 * Silvics
 * Sima layer
 * Simulated divided light
 * Sine wave inverter
 * Single glaze
 * Single pane
 * Single pole (electricity transmission)
 * Single-crystal material
 * Single-crystal silicon
 * Single-hung window
 * Single-phase line
 * Single-shell tank
 * Single-strength glass
 * Sinker steel
 * Sinusoidal equal-area projection
 * Site W: Hanford
 * Site X: Oakridge
 * Site Y: Los Alamos
 * Slab on grade
 * Slagging coal
 * Slaking (weathering)
 * Slash (forestry)
 * Slickenside
 * Slide gate
 * Sliding glass door
 * Slip forming
 * Slip-face
 * Slope aspect
 * Slope failure
 * Slope mine
 * Sloughing
 * Slow pyrolysis
 * Sluiceway
 * Slurry dam
 * Small hydropower plant
 * Smog check program
 * Smokeless fuel
 * Snow melt
 * Snow pellet
 * Snowbridge
 * Snowpack
 * Soil boring
 * Soil colloid
 * Soil compaction
 * Soil creeping
 * Soil fertility
 * Soil permeability
 * Soil porosity
 * Soil reference value
 * Soil solution, Soil water
 * Soil taxonomy
 * Soil texture
 * Soil washing
 * Soil-heat flux
 * Solar air heater
 * Solar altitude angle
 * Solar azimuth
 * Solar chemistry
 * Solar collector tilt angle
 * Solar concentrator
 * Solar control coating
 * Solar cooling
 * Solar declination
 * Solar Energy Industries Association
 * Solar Energy Research Institute
 * Solar farm
 * Solar film
 * Solar fraction
 * Solar gain
 * Solar heat gain coefficient
 * Solar heat gain factor
 * Solar heat gain
 * Solar hot water system
 * Solar irradiation
 * Solar landscaping design
 * Solar parabolic dish
 * Solar pond, Salt gradient solar pond
 * Solar preheater
 * Solar satellite power
 * Solar screen
 * Solar simulator
 * Solar space heater
 * Solar spectrum
 * Solar subdivision
 * Solar thermal electric system
 * Solar thermal parabolic dish
 * Solar thermal system
 * Solar toxic waste destruction
 * Solar transmittance
 * Solar-grade silicon
 * Solder embrittlement
 * Solid oxide fuel cell
 * Solid waste
 * Solidity
 * Soligenous
 * Solonetzic soil
 * Solubility product
 * Solum
 * Solution calorimeter
 * Solvent base
 * Solvent degreasing
 * Somatic effects of radiation
 * Somatic injury
 * Sonoelectrochemistry
 * Sorbite
 * Sorption
 * Sour oil
 * Sour water
 * Source energy
 * Source reduction
 * Source separation (recycling)
 * Source water
 * Southern California Association of Governments
 * Space heating
 * Space nuclear auxiliary power
 * Spark ignition engine
 * Sparsely vegetated
 * Spatter rampart
 * Spatter
 * Spawning gravel
 * Special case waste
 * Special naphthas
 * Special solar thermal collector
 * Special waste
 * Specialist species
 * Species association
 * Species fitness
 * Specific conductance, Specific conductivity
 * Specific density
 * Specific gravity of a battery
 * Specific resistance, Specific resistivity
 * Spectral energy distribution
 * Spectrally selective coating
 * Spectroelectrochemistry
 * Spent fuel pond
 * Spent liquor
 * Spent nuclear fuel, Spent fuel
 * Spill containment
 * Spinning reserve
 * Spiral casing
 * Spiral-wound (battery)
 * Spirit of sulfur
 * Splash box
 * Split system air conditioner
 * Split-spectrum photovoltaic cell
 * Spoil
 * Spontaneous combustibility, Spontaneously combustible
 * Spontaneous combustion (expand)
 * Spontaneous nuclear fission
 * Sporadic permafrost
 * Spot contract
 * Spot purchase
 * SPOT satellite
 * Spot-market
 * Spray irrigation
 * Spray pyrolysis
 * Spray-in-place insulation
 * Spreader stocker furnace
 * Spring seep
 * Spring turnover
 * Spring wood (trees)
 * Spudding (mining)
 * Spur track (railroad)
 * Square-wave inverter
 * Stabilization lagoon
 * Stable atmosphere
 * Stable equilibrium
 * Stack heat loss
 * Stadial moraine
 * Staebler-Wronski effect
 * Stand-alone generator
 * Stand-alone inverter
 * Stand-alone system
 * Standard air
 * Standard electrodes potential
 * Standard model of particle physics
 * Standard rate constant of electrodes reaction
 * Standby facility
 * Standby generator
 * Standby heat loss
 * Standby loss
 * Standby reserve
 * Standby service
 * Stand-off mounting
 * Stand-pipe
 * Stapling flange
 * Starter battery, Starting, lighting, and ignition battery
 * Starved electrolyte
 * State of charge
 * State property
 * Static head, Static hydraulic head, Static pressure
 * Static sampling
 * Static-mercury-drop electrode
 * Stationary fuel cell
 * Stationary source
 * Statistical inventory reconciliation
 * Statistically insignificant
 * Stay time
 * Steady state efficiency
 * Steady state equilibrium
 * Steam boiler
 * Steam coal
 * Steam conversion factor
 * Steam generating unit
 * Steam injected gas turbine
 * Steam system, Hot-Water System (space heating)
 * Steel alloy
 * Steel can
 * Stemflow
 * Stenohaline
 * Stenothermal
 * Still gas, Refinery gases
 * Stilling pool
 * Stirling dish
 * Stirling engine dish
 * Stock change
 * Stoichiometric condition
 * Stoichiometric ratio
 * Stoke (physics)
 * Stoker boiler
 * Stop gate
 * Stoplog
 * Storage capacity
 * Storage hydropower
 * Storage reservoir
 * Storage tank
 * Storage water heater
 * Storage-in-decay
 * Storm door
 * Straight-chrome
 * Straight-run gasoline
 * Strandable cost, Stranded cost
 * Stranded benefit
 * Stranded commitment
 * Stranded investment
 * Stratified drift
 * Stratospheric cloud
 * Stratospheric ozone
 * Stray current corrosion
 * Stray current
 * Streak of a mineral
 * Stream channel
 * Stream class
 * Stream discharge
 * Stream flow
 * Stream gaging
 * Stream load
 * Stream long profile
 * Stream order
 * Stream reach
 * Stream substrate
 * Streambank storage, Streambank water storage
 * Stream-flow
 * Streaming potential
 * Strip ratio
 * Stripping analysis
 * Stripping ratio
 * Strombolian eruption
 * Strong current
 * Structural change
 * Structural chemical analysis
 * Structural height of a dam
 * Structural landform
 * Structural panel
 * Structural redundancy
 * Structure-activity relationship
 * Stump age
 * Stump treatment
 * Subacute toxicity, Subchronic toxicity
 * Subbasin
 * Subdrainage
 * Subducting
 * Subfloor
 * Submontane
 * Subpolar glacier
 * Subpolar low
 * Subsea depth
 * Subsea permafrost
 * Subsistence harvest
 * Subsolar point
 * Substitute natural gas, Synthetic natural gas
 * Substructure (different meaning)
 * Subtropical high pressure zone
 * Succulent vegetation
 * Suction head
 * Suez-max ship
 * Suggested no adverse response level
 * Sulfate aerosol
 * Sulfate class of mineral
 * Sulfation
 * Sulfidation
 * Sullage
 * Summer peak
 * Sun control film
 * Sun path diagram
 * Suncup
 * Sundowner wind
 * Sunken cost
 * Sunspace
 * Sun-tempered building
 * Sun-tempering
 * Super block
 * Super ultra-low-emission vehicle
 * Super window
 * Superchlorination
 * Supercritical carbon dioxide extraction of organics
 * Supercritical reactor
 * Supercritical water-cooled reactor
 * Superfund Amendments and Reauthorization Act
 * Super-insulated house
 * Superstrate
 * Supplied-air respirator
 * Supply duct
 * Supply side
 * Supporting electrolyte, Inert electrolyte, Indifferent electrolyte, Swamping electrolyte
 * Supralinear effect model
 * Supralittoral
 * Surface active agent
 * Surface boundary layer
 * Surface coal mine
 * Surface creep
 * Surface heat flux
 * Surge chamber, Surge tank
 * Surge gully
 * Survey meter
 * Survival rate
 * Suspended solid, Suspended sediment, Suspended load
 * Sweating furnace
 * Sweet gas
 * Swept area
 * Switch leg
 * Switchable glazing
 * Switchyard, Switching station, Switching substation, Switching system
 * Synchronous generator
 * Synchronous inverter
 * Synoptic chart
 * Syringyl
 * System attribute
 * System boundary
 * System capacity
 * System element
 * System integration
 * System interconnection
 * System relationship
 * System state
 * Systemic poison
 * Systemic reaction, Systemic symptom
 * Szilard-Chalmers effect
 * Tafel equation
 * Tail level
 * Tail water
 * Tailpipe emission
 * Tailrace
 * Tails assay
 * Take limit
 * Talus slope
 * Tape drive motor
 * Taper charging, Taper charge
 * Tapered edge strip
 * Tar-and-gravel roof
 * Target material
 * Target organ dose
 * Target organ toxin
 * Target population
 * Task lighting
 * Tax incentive
 * Tectonic activity
 * Tectonic map
 * Tectonic ridge
 * Television and Infrared Observation Satellite
 * Telford pavement, Telford road
 * Temperate glacier
 * Temperature coefficient of reactivity
 * Temperature humidity index
 * Temperature rating
 * Temperature zone
 * Temperature/pressure relief valve
 * Temperature-gradient survey
 * Tempering valve
 * Temporary magnet
 * Temporary safe reference action level
 * Terminal bud scar, Terminal bud scarring
 * Terminal fall velocity
 * Terminal fishery, Terminal fisheries
 * Terminous
 * Terminus of a glacier, Snout of a glacier
 * Termite shield
 * Termolecular reaction
 * Ternary alloy
 * Terrestrial sediment
 * Terrigenous deposit, Terrigenous sediment
 * Tertiary amyl methyl ether
 * Tertiary consumer
 * Tertiary current distribution
 * Tertiary oil recovery
 * Tertiary wastewater treatment
 * Tertiarybutyl alcohol
 * Test linerboard
 * Test pit
 * Test reactor
 * Test year
 * The Geysers
 * Thematic map
 * Thematic mapper (Landsat satellites)
 * Thermal balance point
 * Thermal barrier coating
 * Thermal barrier, Thermal break
 * Thermal battery
 * Thermal circulation
 * Thermal cover
 * Thermal efficiency
 * Thermal energy storage
 * Thermal envelope house
 * Thermal gradient (Geothermal)
 * Thermal high
 * Thermal infrared radiation
 * Thermal low
 * Thermal metamorphisis (geology)
 * Thermal oxidizer
 * Thermal power
 * Thermal shield
 * Thermal storage wall
 * Thermal storage
 * Thermalization of a neutron
 * Thermally enhanced oil recovery
 * Thermocell, Thermogalvanic cell
 * Thermodynamic chart, Thermodynamic diagram
 * Thermoelectric conversion
 * Thermogalvanic corrosion
 * Thermohydraulics
 * Thermol
 * Thermosyphon system (solar)
 * Thick-crystalline material
 * Thin-film panel
 * Thin-film photovoltaic panel
 * Thin-film semiconductor
 * Thorium extraction process
 * Thorium series
 * Three-electrode cell
 * Three-phase line
 * Three-pin plug, Three-pin receptacle
 * Threshold energy
 * Threshold hypothesis
 * Threshold limit value ceiling
 * Threshold limit value
 * Threshold velocity
 * Through wall flashing, Through-wall flashing
 * Throughfall
 * Throughflow
 * Throwing power
 * Thumper truck
 * Thyroid dose
 * Tidal current, Tidal stream
 * Tidal cycle
 * Tidal period
 * Tidal zone
 * Tight line
 * Tilt window
 * Time dependent ozone depletion potential
 * Time weighted average
 * Tin-free steel, Tin free steel
 * Tinted glazing
 * Tipping floor
 * Title III
 * Title V
 * To excess
 * Tokamak design
 * Tokamak fusion
 * Tokamak reactor
 * Tolerable daily intake
 * Tolerance limit
 * Tolerance model of succession
 * Tolerance range
 * Tonstein
 * Top plate
 * Topogenous
 * Topping and back pressure turbine
 * Topset bed
 * Total binding energy
 * Total coliforms
 * Total column ozone
 * Total cooling capacity
 * Total dissolved solids
 * Total energy system
 * Total equivalent warming impact
 * Total heat
 * Total incident radiation
 * Total lignin
 * Total phosphorous
 * Total solids
 * Total suspended particulates
 * Toxic air contaminant
 * Toxic best available control technology
 * Toxic emission
 * Toxic hot spot
 * Toxic pollutant
 * Toxicological profile
 * Tracking solar array, Tracking photovoltaic array
 * Traction battery
 * Transfer efficiency
 * Transference number, Transport number
 * Transformation facility
 * Transformer drum
 * Transient equilibrium
 * Transition charge
 * Transition cost
 * Transition countries
 * Transition mire
 * Transition period
 * Transition time
 * Transitional low-emission vehicle
 * Transitional substance (ozone depleting)
 * Transitional water
 * Transmission and distribution loss
 * Transmission charge
 * Transmission dependent utility
 * Transmitting utility
 * Transom window, Transom light
 * Transuranic waste
 * Trash rack, Trashrack, Trash screen
 * Traveling grate
 * Tree mold (lava)
 * Trended cost
 * Trickle solar collector, Trickle collector
 * Trimline
 * Trohoc study
 * Trolling battery
 * Trophic status index ranking
 * Tropical easterlies
 * Trowel steel
 * Truck freight
 * True electrode area
 * True power
 * True south
 * Trunion
 * Truss spring steel
 * Tub grinder
 * Tube-type collector, Tube-in-plate absorber
 * Tuff ring
 * Tumor dose 50
 * Tumor promoter
 * Tumor registry
 * Tumorigenic
 * Tumulus (different meaning)
 * Turbine runner
 * Twaddell
 * Two-axis tracking
 * Two-electrode cell
 * Two-tailed statistical test
 * Two-tank solar system
 * Ubac
 * U-factor
 * Ultimate analysis
 * Ultimate strength
 * Ultimate stress
 * Ultra-basic rock
 * Ultra-high voltage transmission
 * Ultra-large crude carrier tanker
 * Ultra-low emission vehicle
 * Ultra-low-flow device
 * Ultra-low-flow toilet
 * Ultra-sheltered
 * Ultraviolet stabilizer
 * Unbundled
 * Unclassified controlled nuclear information
 * Unconventional reserve
 * Underchute
 * Undercut bank
 * Underdrainage, Underdrain
 * Underground coal mine, Underground coal mining (needs much more information)
 * Underground gas storage
 * Underground home
 * Underpotential deposition
 * Unfaced insulation
 * Unfinished oil
 * Unglazed solar collector
 * Uniform Building Code
 * Uniform Mechanical Code
 * Uniform system of accounts
 * Unimolecular step
 * Unit risk number
 * Unit stress
 * Unit time
 * Unitary air conditioner
 * Universal coal cutter
 * Universal transverse mercator
 * Unloading (geology)
 * Unrestricted area
 * Unsealed radioactive source, Unsealed source
 * Unstable atmosphere
 * Unstable equilibrium
 * Unvented heater
 * Unwatering
 * Upper air westerlies
 * Upper mantle
 * Uprating, Uprate
 * Upslope fog
 * Upstream face of a dam
 * Upwind wind turbine
 * Uranium blending
 * Uranium concentrate
 * Uranium conversion
 * Uranium deposit
 * Uranium endowment
 * Uranium hexafluoride production facility
 * Uranium metal
 * Uranium Mill Tailings Radiation Control Act
 * Uranium Mill Tailings Remedial Action Project
 * Uranium mill tailings
 * Uranium milling
 * Uranium mining
 * Uranium ore concentrate
 * Uranium processing
 * Uranium property
 * Uranium series
 * Uranium tailings
 * Uranium-lead dating (currently a redirect)
 * Urban air pollution
 * Urban airshed model
 * Urban wastewater
 * Urban Water Institute
 * Urgent public health hazard
 * Uronic acid
 * Usable water storage capacity
 * Useful heat
 * Useful thermal output
 * User charge
 * Utility distribution company
 * Utility-interactive inverter
 * Vacuum zero
 * Valence level energy, Valence state
 * Valley breeze
 * Valley breeze
 * Valley fog
 * Valley mire
 * Valley of stability
 * Valley segment
 * Valley train
 * Valley wind
 * Value of production
 * Value of shipment
 * Valve regulated
 * Vapor cleaning machine
 * Vapor displacement
 * Vapor migration
 * Vapor recovery system
 * Vapor retardant
 * Vapor-dominated geothermal system
 * Variable air volume system
 * Variable fuel vehicle
 * Variable pitch rotor
 * Variable-speed wind turbine
 * Veering
 * Vegetation survey
 * Vela satellite
 * Vent damper
 * Vent pipe
 * Vented heater
 * Ventilation air
 * Vertical flux
 * Vertical mixing
 * Vertical multijunction cell
 * Vertical-axis wind turbine
 * Very exposed coastline
 * Very high radiation area
 * Very large crude carrier tanker
 * Very sheltered coastline
 * Very strong current
 * Very weak current
 * Very-near infrared radiation
 * Vinyl bromide
 * Vinyl-clad window
 * Virgin coal
 * Virgin material
 * Virgin metal
 * Visibility reducing particle
 * Visible light transmittance, Visible transmittance
 * Void coefficient of reactivity
 * Volatile compound
 * Volatile matter
 * Volatile solid
 * Volcanic complex
 * Volcanic earthquake
 * Volcanic explosivity index
 * Voltage delay
 * Voltage direct current
 * Voltammogram
 * Volume reduction
 * Volumetric
 * Voluntary corrective measure
 * Walker cell
 * Warm desert
 * Warm-edge technology
 * Warm-in-winter side
 * Warning stage
 * Wash water, Washing water
 * Waste assessment, Waste audit, Waste evaluation
 * Waste characterization study
 * Waste coal
 * Waste collector
 * Waste dealer
 * Waste diversion
 * Waste exchange
 * Waste generation
 * Waste heat recovery
 * Waste material
 * Waste minimization
 * Waste oils and tar
 * Waste picker
 * Waste reduction
 * Waste removal fee
 * Waste stabilization
 * Waste stream
 * Waste transfer
 * Waste-to-energy
 * Watch battery
 * Water alkalinity
 * Water based
 * Water conditioning
 * Water conveyance loss
 * Water diversion
 * Water electrolysis
 * Water erosion
 * Water gate (currently a redirect)
 * Water heated by space-heating system
 * Water heater energy factor
 * Water heater recovery efficiency
 * Water heater timer
 * Water infiltration (various meanings)
 * Water master, Watermaster
 * Water phase
 * Water quality criteria
 * Water resources region, Water resources sub region
 * Water saturation
 * Water solubility
 * Water source heat pump
 * Water stress
 * Water to carbon ratio
 * Water treatment residuals
 * Water unit
 * Water wall
 * Water withdrawal
 * Water year
 * Water-based
 * Waterborne disease
 * Waterborne illness
 * Waterborne
 * Water-cooled vibrating grate
 * Wave crest
 * Wave cyclone, Frontal cyclone
 * Wave energy conversion
 * Wave forecasting
 * Wave hindcasting
 * Wave refraction
 * Wave spectrum
 * Wave steepness
 * Wave-cut notch
 * Wave-cut platform
 * Weak current
 * Weak sun paradox
 * Weaponization
 * Weapons retirement
 * Weapons-grade plutonium
 * Weapons-grade uranium
 * Weather stability
 * Weather thickness
 * Weather-stripping, Weatherstripping, Weather stripping
 * Weeding
 * Weep hole
 * Weighting factor
 * Welfare-based standard, Secondary standard
 * Well land right
 * Well-aerated soil
 * Well-developed soil
 * Well-logging
 * Western States' System Coordinating Council
 * Western Systems Power Pool
 * Wet acid deposition
 * Wet natural gas
 * Wet storage
 * Wet-bulb temperature
 * Wheeling charge
 * Wheeling service
 * Whipstock
 * White rust
 * Whole-body autoradiography
 * Whole-body counter
 * Whole-body radiation, Whole-body radiation dose
 * Whole-house fan
 * Wicking
 * Wild alternating current
 * Wild population
 * Wild relative
 * Wildcat well
 * Wildling
 * Willstatter lignin
 * Wind box, Windbox
 * Wind duration curve
 * Wind duration
 * Wind energy conversion device, Wind energy conversion system
 * Wind erosion
 * Wind gauge
 * Wind measurement
 * Wind power curve
 * Wind power plant
 * Wind power profile, Windpower profile
 * Wind pump
 * Wind resource assessment
 * Wind ripple
 * Wind speed duration curve
 * Wind speed frequency curve
 * Wind speed profile
 * Wind turbine blade balancing
 * Wind turbine blade tip
 * Wind turbine blade twist
 * Wind turbine gearing
 * Wind turbine rated capacity
 * Wind turbine startup speed
 * Wind turbine tail
 * Wind turbine tip speed ratio
 * Wind turbine tower
 * Wind turbine trailing edge
 * Wind turbine vane
 * Wind velocity
 * Wind wave
 * Windbox
 * Winding
 * Window condensation
 * Window hardware
 * Window pane
 * Window sun screen
 * Windpower profile
 * Windrowing
 * Wing dam
 * Wing-wall
 * Winston concentrator
 * Wipe sample
 * Wiper run
 * Wiper
 * Wood stove
 * Wood tar
 * Working electrode
 * Working face
 * Working gas
 * Working interest
 * Working inventory
 * Work-over
 * Wound rotor motor
 * Xenobiotic metabolism
 * Xero-halophile
 * Xerophilous Xerophilic, Xerophile
 * X-hour rate
 * Xylan
 * Xyloid coal
 * Yard waste, Yardwaste
 * Yarder (other meanings)
 * Yarding unmerchantable material
 * Yarding
 * Yaw axis
 * Yazoo tributary, Yazoo tributaries
 * Year of commercial operation
 * Yearling system
 * Yellow boy
 * Younger-Dryas
 * Young-of-the-year, Young-of-year
 * Zero gas
 * Zeroeth law of thermodynamics
 * Zinc-air fuel cell
 * Zonal flow
 * Zone of ablation
 * Zone of accumulation
 * Zone of aeration
 * Zone of saturation
 * Zone (HVAC)
 * Zoning certificate
 * Zymogenous