vapour

From Wiktionary

Other spellings[change]

Pronunciation[change]

Noun[change]

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[change]