Meaning of volatile

vol•a•tile

Pronunciation: (vol'u-tl, -til or, esp. Brit., -tīl"), [key]
— adj.
  1. evaporating rapidly; passing off readily in the form of vapor: Acetone is a volatile solvent.
  2. tending or threatening to break out into open violence; explosive: a volatile political situation.
  3. changeable; mercurial; flighty: a volatile disposition.
  4. (of prices, values, etc.) tending to fluctuate sharply and regularly: volatile market conditions.
  5. fleeting; transient: volatile beauty.
  6. of or pertaining to storage that does not retain data when electrical power is turned off or fails.
  7. able to fly or flying.
—n.
  1. a volatile substance, as a gas or solvent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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