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English definition of “vapour”

vapour

noun uk UK (US vapor)   /ˈveɪ.pər/ us    /-pɚ/

vapour noun (GAS)

[C or U] gas or extremely small drops of liquid that result from the heating of a liquid or solid: The hollow glass tank contains hot mercury vapour. Poisonous vapours burst out of the factory during the accident.

vapour noun (ILLNESS)

the vapours old use UK (US the vapors) [plural] a condition in which someone suddenly feels ill and weak, usually because of a shock
(Definition of vapour from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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