volatile(redirected from volatileness)
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1. (of a substance) capable of readily changing from a solid or liquid form to a vapour; having a high vapour pressure and a low boiling point
2. Computing (of a memory) not retaining stored information when the power supply is cut off
3. a volatile substance
Readily passing off by evaporation.
Descriptive of a substance which passes off easily as a gas or vapor, evaporating quickly.
See non-volatile storage.