Volatility

Volatility or volatile may refer to:

Chemistry

 * Volatility (chemistry), a measuring tendency of a substance or liquid to vaporize easily
 * Volatile organic compounds, organic or carbon compounds that can evaporate at normal temperature and pressure
 * Volatile anaesthetics, a class of anaesthetics which evaporate or vaporize easily
 * Volatile substance abuse, the abuse of household inhalants containing volatile compounds
 * Volatile oil, also known as essential oil, an oil derived from plants with aromatic compounds used in cosmetic and flavoring industries
 * Relative volatility, a measure of vapor pressures of the components in a liquid mixture
 * Volatile acid/Volatile acidity, a term used inconsisitenly across the fields of winemaking, wastewater treatment, physiology, and other fields
 * Volatile (astrogeology), a group of compounds with low boiling points that are associated with a planet's or moon's crust and atmosphere

Computer science

 * Volatile variables, variables that can be changed by an external process
 * Volatile memory, memory that lasts only while the power is on (and thus would be lost after a restart)
 * Volatility (memory forensics), an open source memory forensics tool

Other uses

 * Volatility (finance), degree of variation over time
 * Volatiles, the volatile compounds of magma (mostly water vapor) that affect the appearance and strength of volcanoes
 * Stochastic volatility, in the mathematical theory of probability
 * Pedersen index, a measure of electoral volatility in political party systems
 * One of the components of the set of phenomena known as volatility, uncertainty, complexity and ambiguity
 * Volatile Games, a video games maker
 * Volatile (A Hero A Fake album), 2008
 * Volatile (The Lime Spiders album), 1988