Synonyms for

Vapor

Verb / ˈveɪpɜ: / Another word for vapor — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

a substance in the form of a gas or steam

Synonyms & similar words

vaporization vaporisation evaporation vapour steam mist fog smoke cloud haze vapour exhalation fume nebula gas air breath vaporousness aerosol atmosphere humidity moisture vapidity vaporous

Synonyms by register

Formal

gas fume effluvium

Informal

steam mist

Literary

exhalation breath miasma

Antonyms

solid liquid water ice plasma condensation

Common collocations

  • water vapor
  • water vapor pressure
  • water vapor content
  • water vapor permeability
  • water vapor transmission
  • water vapor adsorption
  • water vapor condensation

Word family

noun vapor
verb vaporize
adjective vaporous

Usage note

While 'vapor' and 'gas' are often used interchangeably, 'vapor' typically refers to a substance in its gaseous state below its critical temperature, often implying it can be condensed back into a liquid or solid by increasing pressure or decreasing temperature. 'Steam' is a common term for water vapor.

Example sentences

  1. The tea kettle was releasing vapor into the air.
  2. The fog was so thick that we could barely see in front of us.
  3. The volcano erupted and sent vapor into the sky.
  4. The steam from the hot springs created a beautiful misty effect.
  5. The smoke from the fire filled the room with vapor.

Quotes

  • 'The vapor rises high in the air, and then it falls down again in the form of rain.' - Lao Tzu
  • 'Mist and vapor are the same things for different degrees of density.' - John Tyndall
  • 'The vapor of the sea rises and falls like a vast breath.' - Percy Bysshe Shelley

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