List of acronyms: T

(Main list of acronyms)


 * T – (s) Tera – tesla – tritium

TA

 * ta – (s) Tamil language (ISO 639-1 code)
 * Ta – (s) Tantalum
 * TA
 * (i) Target Acquisition
 * Teaching Assistant
 * (s) teraampere
 * (i) Territorial Army (UK)
 * (s) Tristan da Cunha (ISO 3166 digram)
 * TAA
 * (i) Transparency Anti-Aliasing
 * (a) Trans Australia Airlines
 * TAAC – (i/a) Trans America Athletic Conference, the original name for the US college sports league now known as the ASUN Conference
 * TAACOM – (p) U.S. Theater Army Area Command
 * TAADCOORD – (p) Theatre Army Air Defence Co-ordinator
 * TAAR – (i) Trace Amine-Associated Receptor
 * TAC – (a) U.S. Tactical Air Command (1946–1992)
 * TACAMO – (p) Take Charge and Move Out (U.S. military)
 * TACAN – (p) Tactical Air Navigation
 * TACC
 * (i) Tactical Air Control Centre
 * (USAF) Tanker Airlift Control Center
 * TACCO – (p) Tactical Coordinator
 * TACCSF – (i) U.S. Theater Aerospace Command & Control Simulation Facility
 * TACDAR – (p) Tactical Detection And Reporting
 * TACP – (i) Tactical Air Control Party – Technology Applications Certification Program
 * TACSOP – (p) Tactical SOP (Standing Operating Procedure)
 * TADIL – (p) Tactical Digital Information Link
 * TADL – (a) Tactical Air Data Link ("taddle")
 * TADSS – (i) Training Aids, Devices, Simulators, and Simulations
 * TAF - (i) Trading Activity Fee assessed by FINRA to recover the costs of supervising and regulating firms.
 * tah – (s) Tahitian language (ISO 639-2 code)
 * TAI – (i) Target[ed] Area of Interest
 * TAJ – (i) Tom and Jerry
 * TAJT – (i) Tom and Jerry Tales
 * TALES – (a) Technical Advice and Lexicon for Enabling Simulation
 * tam – (s) Tamil language (ISO 639-2 code)
 * TAN – (s) Tanzania (IOC and FIFA trigram, but not ISO 3166)
 * TANJ – (a) There Ain't No Justice (used as expletive in the Ringworld novels)
 * TANP – (i) Terrain-Aware Network Planner
 * TANSTAAFL – (a) There Ain't No Such Thing As A Free Lunch (coined by author Robert A. Heinlein in his The Moon Is a Harsh Mistress)
 * TAPPS – (a) Texas Association of Private and Parochial Schools
 * TARDIS – (a) Time And Relative Dimension In Space (from Doctor Who)
 * TARP – (a) Transparency Accountability Rights for Parents (coined by Karen Plumridge, founder of Black Ribbon Gold Heart)
 * TAROT – (a) Télescope à action rapide pour les objets transitoires (French, "Transient Object Rapid Action Telescope")
 * TAS – Tasmania (postal symbol)
 * TASER – (a) Thomas A. Swift's Electric Rifle
 * TASM – (i) Tactical Air-to-Surface Missile
 * tat – (s) Tatar language (ISO 639-2 code)
 * TAT – (i) Tourism Authority of Thailand
 * TATP – (p) TriAcetone TriPeroxide

TB

 * Tb – (s) Terbium
 * TB – (p) Tuberculosis
 * TBA – (i) to be announced
 * TBBPA – (p) TetraBromoBisPhenol-A
 * TBC – (i) to be confirmed, to be continued
 * TBD – (i) "to be documented", "to be determined", or "to be decided"
 * TBD – (i) Torpedo Boat Destroyer
 * TBF – To be fair
 * TBGRI – (i) Tropical Botanic Garden and Research Institute, India
 * TBH – (i) To Be Honest
 * TBL – (i) Turkish Basketball League
 * TBM – (i) Tactical Ballistic Missile – Theatre Ballistic Missile
 * TBS – (i) Turner Broadcasting System
 * TBT – (p) Tributyltin

TC

 * TCC – (s) Tarrant County College
 * Tc – (s) Technetium
 * TC – (s) Teracoulomb – Turks and Caicos (ISO 3166 digram) – United Arab Emirates (FIPS 10-4 country code; from Trucial Coast States)
 * TCA – (i) Transformational Communications Architecture – (s) Turks and Caicos (ISO 3166 trigram)
 * TCAS – (i) Traffic Collision Avoidance System
 * TCAA – (i) Top Counter-Assault Agents
 * TCBY - (i) The Country's Best Yogurt
 * TCCCS – (i/a) Tactical Command, Control, and Communications System ("ticks")
 * TCD – (s) Chad (ISO 3166 trigram)
 * TCG – (i) Trusted Computing Group – Türkiye Cumhuriyeti Gemisi
 * TCHD – (i) Truck Cargo Heavy Duty
 * TCL – (i) Tool Command Language
 * TCM – (i) Turner Classic Movies
 * TCP – (i) Traffic Control Point – Transmission Control Protocol – Trichlorophenol
 * TCU – (i) Texas Christian University
 * TCWMS – (i) Tele-Center Workforce Management System
 * TCW – (i) Tasty Coma Wife

TE

 * te – (s) Telugu language (ISO 639-1 code)
 * Te – (s) Tellurium
 * TE – (i) Tactical Exploitation – (p) Testosterone to Epitestosterone ratio – (i) Tight end (American football; position generally not used in modern Canadian football)
 * TEAL – (a) Tasman Empire Airways Limited
 * Team – (a) Together everyone achieves more
 * TEAMS – (a) The East African Marine System (fiber optic cable)
 * TED – (a) Technology Entertainment Design prize
 * TEEL – parts of a body paragraph in an essay:  * T - Topic sentence E - Explanation  E - Evidence L - Link
 * TEETH – (a) Tried Everything Else, Try Homeopathy (medical diagnosis in-joke)
 * tel – (s) Telugu language (ISO 639-2 code)
 * TEL – (a/i) Transporter, Erector and Launcher
 * TELAR – (a) Transporter, Erector, Launcher And Radar
 * TEMO – (a) Training, Exercise, and Military Operations
 * TENCAP – (p) Tactical Exploitation of National Capabilities
 * TER's(Stargate) – Transphase Emission Rods
 * TERS – (i) Tactical Event Reporting System
 * TES – (i) Tactical Event System
 * TEST – (a) Thesaurus of Engineering and Scientific Terms
 * TEU – (i) Twenty-foot equivalent unit (cargo capacity)
 * TeVeS – (p) Tensor Vector Scalar theory

TF

 * TF –
 * (s) French Southern Territories (ISO 3166 digram)
 * (i) Task Force
 * (s) Terafarad
 * (?) Too Far
 * (i) Team fortress (hence TF2 is Team Fortress 2)
 * Transformers
 * T/F – (i) True/False (=Yes/No)
 * TFG
 * (i) Task Force Games (defunct tabletop game company)
 * Tiny Friendly Giant (automobile engine developed by Koenigsegg)
 * Transferoviar Grup (Romanian railway company)
 * TFMPP – (p) Trifluorophenylmethylpiperazine
 * TFR – (i) Total Fertility Rate
 * TFT – (i) Thin-Film Transistor
 * TFTP –
 * (i) Trivial File Transfer Protocol
 * (i) Terrorist Finance Tracking Program

TG

 * tg – (s) Tajik language (ISO 639-1 code)
 * Tg – (s) Teragram
 * TG – (s) Togo (ISO 3166 digram)
 * TGA – (s) Tonga (IOC and FIFA trigram, but not ISO 3166)
 * TGB – (i) Tres grande bibliothèque (French, "Very Large Library"), a sarcastic nickname for the Bibliothèque nationale de France
 * TGIF – (i) Thank God It's Friday, Toes Go In First
 * tgk – (s) Tajik language (ISO 639-2 code)
 * tgl – (s) Tagalog language (ISO 639-2 code)
 * TGO – (s) Togo (ISO 3166 trigram)
 * TGT
 * (p) Target (also the ticker symbol for Target Corporation)
 * (i) Ticket Granting Ticket (computer security)
 * (i) Tyrese, Ginuwine, Tank – see TGT (group) for their collaboration
 * TGV
 * (i) Tanjong Golden Village (Malaysian cinema chain)
 * (p) Tanora malaGasy Vonona (Malagasy, "Young Malagasies Determined" – political party)
 * (i) Test Generation with Verification
 * Train à grande vitesse (French for "High-Speed Train")

TH

 * th – (s) Thai language (ISO 639-1 code)
 * Th – (s) Thorium
 * TH – (s) Terahenry – Thailand (ISO 3166 and FIPS 10-4 country code digram)
 * tha – (s) Thai language (ISO 639-2 code)
 * THA – (s) Thailand (ISO 3166 trigram)
 * THAAD – (a/i) Terminal High Altitude Area Defence
 * THB – (s) Thai baht (ISO 4217 currency code)
 * THEGENTRY – (a) The High-End Group of Earth's New Technologies Research Yield
 * THEL – (a) Tactical High Energy Laser ACTD
 * THG – (p) Tetrahydrogestrinone
 * ThG – (p) Graduate of Theology
 * THSU - (a) Texas Health and Science University

TI

 * ti – (s) Tigrinya language (ISO 639-1 code)
 * Ti – (s) Tebi – Titanium
 * TI – (s) Tajikistan (FIPS 10-4 country code) – (i) Thermal Imaging – Threat Identification – Training Instructor – Texas Instruments
 * TIA – (i) Total Information Awareness initiative
 * TIA – (i) Transient Ischemic Attack
 * TIALD – (i) Thermal Imaging and Airborne Laser Designation
 * TIAA-CREF – (i, pronounced as "T-I-A-A-cref") Teachers Insurance and Annuity Association – College Retirement Equities Fund
 * TIBS – (a) Tactical Information Broadcast System
 * TIC – (a) Troops In Contact
 * TID – (p) Target Identification – (i) ter in die (Latin, "three times daily")
 * TIGERS – (a) Topologically Integrated Geographic Encoding and Referencing System
 * TIM – (a) Technical Information Memorandum – Technical Interchange Meeting – Toxic Industrial Material – Telecom Italia Mobile
 * TIMS – (a) Tactical Internet Management System – The Institute of Management Sciences – The International Molinological Society – Thermal Infrared Multispectral Scanner – Thermal Ionization Mass Spectrometry – Travel Information Management Services – Tuberculosis Information Management System
 * TINC – (a) There Is No Cabal
 * TINY – That Is, Not You (internet slang)
 * TIP – (a) Thermal Identification Panel
 * tir – (s) Tigrinya language (ISO 639-2 code)
 * tits – Toes in the Sand

TJ

 * TJ – (s) Tajikistan (ISO 3166 digram) – Terajoule
 * TJD – (i) Truncated Julian Day
 * TJK – (s) Tajikistan (ISO 3166 trigram)
 * TJS – (s) Tajik somoni (ISO 4217 currency code)

TK

 * tk – (s) Turkmen language (ISO 639-1 code)
 * TK – (s) Terakelvin – Tokelau (ISO 3166 digram)
 * TKBL – (i) Türkiye 1. Kadınlar Basketbol Ligi, the Turkish-language name of the Turkish Women's Basketball League
 * TKL – (s) Tokelau (ISO 3166 trigram)
 * TKM – (s) Turkmenistan (ISO 3166 trigram)

TL

 * tl – (s) Tagalog language (ISO 639-1 code)
 * Tl – (s) Thallium
 * TLPM – T1 Line Performance Monitor
 * TL
 * (i) Team Leader
 * (s) Teralitre
 * Timor-Leste (ISO 3166 digram)
 * (p) ThermoLuminescence
 * TL;DR (i) – Too long; didn't read
 * TLATOJL – The Life and Times of Juniper Lee
 * TLA
 * (i) Three-Letter Abbreviation/Acronym
 * (ii) 'Three-Letter Agency' (i.e. CIA, FBI, NSA, etc.)
 * (i) Temporal light artefacts
 * TLAC
 * (i) Total Loss Absorbency Capacity
 * (ii) The Light Aircraft Company
 * TLAM – (i) Tomahawk Land Attack Missile
 * TLAR
 * (i) That Looks About Right (chat shorthand)
 * (ii) Transporter-Launcher And Radar
 * TLC
 * (i) Tender Loving Care
 * The Learning Channel (now known strictly by the initials)
 * Thin-layer chromatography
 * T-Boz, Lefteye, Chilli
 * Tables, Ladders, and Chairs (type of professional wrestling match)
 * TLD
 * (i) Thermoluminescent Dosimeter
 * Top-Level Domain
 * TLE
 * (i) Temporal light effects
 * TLI
 * (i) Temporal light interference
 * TLM
 * (i) Traditional Latin Mass
 * Tridentine Latin Mass
 * Transaction Lifecycle Management
 * (i) Temporal light modulation
 * TLS
 * (s) Timor-Leste (ISO 3166 trigram)
 * (i) Times Literary Supplement

TM

 * Tm
 * (s) Terameter
 * Thulium
 * TM
 * (i) Technical Manual
 * Theater Missile
 * Thematic Mapper
 * (p) trademark (often written in small superscript type: TM or ™)
 * (i) Turing machine
 * (s) Turkmenistan (ISO 3166 digram) Tympanic Membrane
 * TMA
 * (i) Terminal Maneuvering Area (restricted flying zone)
 * Texas Medical Association
 * Tristeza y muerte de agave (Spanish, "wilting and death of agave") – a disease affecting the blue agave, from which the popular spirit tequila is produced
 * TMAP – (a/i) Texas Medication Algorithm Project
 * TMC – (i) The Movie Channel
 * TMD – (i) Theater Missile Defense
 * TMDK – (i) The Mighty Don't Kneel (Australian professional wrestling stable also active in Japan)
 * TMI – (i) Too Much Information
 * TMJ – (i) TemporoMandibular Joint (syndrome)
 * TMM – (s) Turkmen manat (ISO 4217 currency code)
 * TMNT – (i) Teenage Mutant Ninja Turtles
 * TMO
 * (i) Table Mountain Observatory
 * Television match official (rugby union)
 * TMP
 * (s) East Timor (ISO 3166 trigram; obsolete 2002)
 * (p) Temporary
 * TMPG – (i) Transparent Multiplatform Gateway
 * TMR – (i) Twin Main Rotors (helicopter type)
 * TMS – (i) Transcranial Magnetic Stimulation
 * TMT – (i) Thirty Meter Telescope
 * TMTOWTDI – (i) There's More Than One Way To Do It (from Perl)
 * TMZ – (i) Thirty-Mile Zone, an area in and around Los Angeles considered "local" under entertainment industry union work rules

TN

 * tn – (s) Tswana language (ISO 639-1 code)
 * TN
 * (s) Tennessee (postal symbol)
 * Teranewton
 * Tonga (FIPS 10-4 country code)
 * Tunisia (ISO 3166 digram)
 * TNA – (i) Total Nonstop Action Wrestling, a former name of the professional wrestling promotion now known as Impact Wrestling
 * TND – (s) Tunisian dinar (ISO 4217 currency code)
 * TNO – (i) Trans-Neptunian Object
 * TNT
 * (i) Thomas Nationwide Transport, an Australian company that was one of the predecessors to the PostNL (previously TNT N.V) and the current TNT Express
 * (p) TriNitroToluene
 * (a/i) Turner Network Television

TO

 * to – (s) Tongan language (ISO 639-1 code)
 * T/O – (i) Theatre of Operations
 * TO
 * (s) Togo (FIPS 10-4 country code)
 * Tonga (ISO 3166 digram)
 * TOA
 * (i) Table Of Authorities
 * Total Obligation Authority (accounting)
 * TOAD
 * (a) Temporary, Obsolete, Abandoned, or Derelict site (urbanism)
 * Towed Optical Assessment Device
 * TOBS – (a) Time of OBServation
 * TOC
 * (a/i) Table Of Contents
 * Tactical Operations Centre
 * (i) Temporo-Occipital transition Cortex
 * Top of Concrete
 * To-do – (s) To-do-List
 * TOG – (s) Togo (IOC and FIFA trigram, but not ISO 3166)
 * TOGS – (a) Thermal Observation Gunnery Sight
 * TOMS – (a) Total Ozone Mapping Spectrometer (satellite instrument)
 * ton – (s) Tongan language (ISO 639-2 code)
 * TON – (s) Tonga (ISO 3166 trigram)
 * TOP – (s) Tongan pa'anga (ISO 4217 currency code)
 * TOS
 * (a) Tape Operating System
 * Terms of service
 * The Original Series, used to distinguish the first Star Trek TV series from other parts of the media franchise
 * Tramiel Operating System
 * TOT – (i) Time On Target
 * TOW – (a) Tube-launched, Optically tracked, Wire-guided (anti-tank missile)

TP

 * TP
 * (s) East Timor (ISO 3166 digram; obsolete 2002)
 * São Tomé and Príncipe (FIPS 10-4 country code)
 * (i) Training Practice
 * Trident Ploughshares
 * TPE – (s) Chinese Taipei (IOC and FIFA trigram for the country also known as Taiwan)
 * TPI – (i) The point is
 * TPO – (p) Thrombopoietin
 * TPS – (i) The Pennington School
 * TPTB – (i) The Powers That Be (often used to refer to the people responsible for the content of TV series or movies)

TQ

 * TQ – (i) Top Qualifier (similar to Pole Position in car racing)

TR

 * tr – (s) Turkish language (ISO 639-1 code)
 * TR – (s) Turkey (ISO 3166 digram)
 * TRA – (i) Technology Readiness Assessment
 * TRAC – (p) (U.S. Army) TRADOC Analysis Center
 * TRACON – (a) Terminal Radar Approach Control
 * TRADOC – (p) (U.S. Army) Training and Doctrine Command
 * TRAIN – (p) Tourist Railway Association, Inc.
 * TRANSCOM – (p) U.S. Transportation Command
 * TRAP – (p) Tactical Receive equipment and related Applications
 * TRASANA – (p) TRADOC Systems Analysis Agency
 * TRD – (i) Towed Radar Decoy
 * TRIGAT – (p) Third Generation Antitank (missile)
 * TRIPS - (a) Trade-Related Aspects of Intellectual Property Rights
 * TRL – (i) Technology readiness level
 * Trp – (s) Troop
 * TRP
 * (i) Target Reference Point
 * (p) Time of Reporting
 * TRPF – (i) Tendency of the rate of profit to fall
 * TRU – (a) Transuranic
 * TRUEX – (p) Training in Urban Environment Exercise
 * TRW – (i) Thompson Ramo Wooldridge Inc.
 * TRY – (s) Turkish lira (ISO 4217 currency code)

TS

 * ts – (s) Tsonga language (ISO 639-1 code)
 * Ts – (s) Terasecond
 * TS
 * (s) Terasiemens
 * Thunderstorm (METAR code)
 * Tunisia (FIPS 10-4 country code)
 * (i) TinySex
 * Transsexual
 * (i) "Tough Sh*t"
 * TSA
 * (i) Theatre Storage Area
 * Time Slot Allocation
 * Transportation Security Administration
 * The Salvation Army
 * TSCA – (a) Toxic Substances Control Act ("tosca")
 * TSEC – (i) Transmission Security Encryption Code
 * TSL – (i) Transportation Security Laboratory
 * tsn – (s) Tswana language (ISO 639-2 code)
 * TSN
 * (i) The Sporting News (historic name of the periodical now known as Sporting News)
 * The Sports Network
 * tso – (s) Tsonga language (ISO 639-2 code)
 * TSO
 * (i) The Stationery Office (was HMSO until 1996)
 * (U.S.) TRICARE Support Office
 * (i) Trans-Siberian Orchestra (band)
 * TSOP
 * (i) Tactical Standing Operation Procedure
 * The Sound of Philadelphia (classic 1970s R&B instrumental)
 * TSR – many, including terminate-and-stay-resident (program)
 * TSSIA – (i) the subject says it all

TT

 * tt – (s) Tatar language (ISO 639-1 code)
 * TT
 * (s) Teratesla
 * (i) Terrestrial Time
 * Tourist Trophy (Motorcycle sport)
 * (s) Trinidad and Tobago (ISO 3166 digram)
 * TTBAO - Things To Be Aware Of
 * TTCT – Torrance Tests of Creative Thinking
 * TTD – (s) Trinidad and Tobago dollar (ISO 4217 currency code)
 * TTO – (s) Trinidad and Tobago (ISO 3166 trigram)
 * TTFN – (i) Ta Ta For Now
 * TTL
 * (i) Tax, Title, License
 * (i) Through-the-lens (photography)
 * Time 'till live
 * Time to live
 * Transistor–transistor logic
 * TTP
 * (i) Tactics, Techniques, and Procedures
 * Thrombotic thrombocytopenic purpura
 * Trailer Transfer Point
 * TTTEAF – Thomas the Tank Engine and Friends
 * TTY – (i) TeleTYpewriter (Printer)
 * TTYL – (i) Talk To You Later (Internet slang)
 * TTZ – (p) Tetrazolium

TU

 * TU – (i) Technische Universität (German for "Technical University") – Thammasat University (Thailand) – (s) Turkey (FIPS 10-4 country code)
 * TUC – (i) Trades Union Congress
 * TUG – (a) TeX Users Group
 * TUI – (a/i) Text-based user interface (cf. CLI), among other uses
 * tuk – (s) Turkmen language (ISO 639-2 code)
 * TUN – (s) Tunisia (ISO 3166 trigram)
 * TUNS – (i) Technical University of Nova Scotia
 * Tur – (s) Turkish language (ISO 639-2 code)
 * TUR – (s) Turkey (ISO 3166 trigram)
 * TUSK – (a) Tank Urban Survival Kit
 * TUV – (s) Tuvalu (ISO 3166 trigram)

TV

 * Tv [sic] – (i) Time value, a designation seen on some camera dials for shutter priority mode
 * TV
 * (i) Television
 * (s) Teravolt
 * (i) Transvestite
 * (s) Tuvalu (ISO 3166 and FIPS 10-4 country code digram)
 * TVA – (i) Tennessee Valley Authority
 * TVG
 * (p/i) Television Games (Network)
 * (i) Tick, Very Good, Often used by School Teachers when marking homework etc. (Tick VG)
 * TVR – (i) TreVor (Wilkinson) Racing
 * TVS – (i) Tornado vortex signature

TW

 * TWA - Trans World Airlines
 * tw – (s) Twi language (ISO 639-1 code)
 * TW – (s) Republic of China (Taiwan) (ISO 3166 and FIPS 10-4 country code digram) – terawatt
 * TWAIN – (a) Technology Without An Interesting Name
 * TWD – (s) Taiwan dollar (ISO 4217 currency code)
 * TWE – (a) Trans World Entertainment
 * twi – (s) Twi language (ISO 639-2 code)
 * TWI – (i) The Welding Institute
 * TWN – (s) Republic of China (Taiwan) (ISO 3166 trigram)
 * TWP – (i) Technical Working Paper
 * Twp - township
 * TWS – (i) Thermal Weapon Sight – Track While Scan
 * TWT - traveling wave tube
 * TWX - telex
 * TWIP – (a) Take What Insurance Pays – When a surgeon agrees to accept a lower payment than he ordinarily would for a procedure and not charge the patient the difference

TX

 * TX – (s) Texas (postal symbol) – Transmit – Turkmenistan (FIPS 10-4 country code)
 * TXV – Thermostatic Expansion Valve

TY

 * ty
 * (s) Tahitian language (ISO 639-1 code)
 * (i) Thank you (Internet chat abbreviation)
 * TYT – take your time (Internet chat abbreviation)

TZ

 * TZ – (s) Tanzania (ISO 3166 and FIPS 10-4 country code digram)
 * TZA – (s) Tanzania (ISO 3166 trigram)
 * TZC – (p) Tetrazolium chloride
 * TZS – (s) Tanzanian shilling (ISO 4217 currency code)