vapour

Other spellings

• (US) vapor

Pronunciation

• (UK) IPA ^(key): /ˈveɪpə/

• Audio (US)

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Noun

Singular vapour

Plural vapours

1. (countable) A vapour is a cloudy or other matter in the air, like mist, steam or fumes.
2. (uncountable) Vapour is the gas of something that used to be liquid or solid.

   When you heat up water, vapour appears.

Related words

• water vapour