Definition, Meaning & Synonyms

vapour

Noun
/ˈveɪpər/
Definition
Vapour is a substance in the gas phase at a temperature lower than its critical temperature, which means it can be condensed to liquid by increasing the pressure on it without reducing the temperature.
Examples
  • Water vapour is a common component of the air.
  • As the kettle boiled, thick white vapour rose from its spout.
  • The vapour from the dry ice created a spooky effect at the party.
Meaning
Vapour refers to the gaseous state of a substance that is typically liquid or solid at room temperature. It is formed when a liquid evaporates or a solid sublimates.
Synonyms
  • steam
  • mist
  • fume
  • smoke