Chemical
vapor Audio
va·por [ vey-per ]
Definitions related to vapor:
  • Gas whose temperature is less than the critical temperature, so that it may be liquefied or solidified by compression at a constant temperature; dispersion in air of molecules of a substance that is a liquid or a solid in its normal state, such as water vapor.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The gaseous state of matter that is a solid or liquid at normal room temperature.
    NCI
    U.S. National Cancer Institute, 2021
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