vapor
Cloudy diffused matter such as mist, steam or fumes suspended in the air.
Other meanings
The gaseous state of a substance that is normally a solid or liquid.
Something insubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
Related words
- vaporescence
- vaporescent
- aqueous vapor
- vapor pressure
- vapor trail
- water vapor
- equilibrium vapor pressure
- mercury-vapor lamp
- saturated vapor pressure
- saturation vapor pressure
- sodium vapor lamp
- vapor lock
Word history
From Latin "vapor" (steam, heat).
Where this comes from
This definition is adapted from “vapor” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.