volatile

instable, imprévisible

Qui peut changer soudainement ou devenir vite coléreux, violent ou dangereux.

En anglais simple : Likely to change suddenly or become angry, violent, or dangerous quickly.

• The situation remains volatile.
• His volatile temper makes people nervous.
• Prices have been volatile since the crisis began.

Synonymes : unstable, unpredictable, changeable

Contraires : stable

Expressions courantes : a volatile situation, volatile markets, a volatile temper

volatil

Qui passe facilement de l’état liquide ou solide à l’état gazeux.

En anglais simple : Changing easily from a liquid or solid into a gas.

• Alcohol is a volatile liquid.
• Keep volatile solvents in closed containers.
• Heat causes the volatile compounds to escape into the air.

Contraires : nonvolatile

Expressions courantes : volatile liquids, a volatile solvent, volatile compounds

variable volatile

Variable dont la valeur doit être lue ou modifiée directement, car elle peut changer de façon inattendue.

En anglais simple : A programming variable whose stored value must be read or updated directly because it may change unexpectedly.

• The compiler treats this variable as a volatile.
• Reading a volatile retrieves its current stored value.
• This hardware register is represented by a volatile.

Expressions courantes : declare a volatile, read a volatile, write a volatile