What is vapor?

  • (noun): A visible suspension in the air of particles of some substance.
    Synonyms: vapour
    See also — Additional definitions below


A vapour (British spelling) or vapor (see spelling differences) is a substance in the gas phase at a temperature lower than its critical point. This means that the vapour can be condensed to a liquid or to a solid by increasing its pressure without reducing the temperature.

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Some articles on vapor:

Saturated Fluid
... Vapor–liquid equilibrium (VLE) is a condition where a liquid and its vapor (gas phase) are in equilibrium with each other, a condition or state where the rate of evaporation (liquid changing ... A substance at vapor–liquid equilibrium is generally referred to as a saturated fluid ... of "saturated fluid" includes saturated liquid (about to vaporize), saturated liquid–vapor mixture, and saturated vapor (about to condense) ...
Saturation Vapor Curve
... The saturation vapor curve usually states for the separation curve between the two-phase state and the vapor state in the T-s diagram ... strongly on the nature of this saturation curve A "wet" fluid shows a negative saturation vapor curve ... An "isentropic" fluid shows a vertical saturation vapor curve ...
... Steam is the technical term for water vapor, the gaseous phase of water, which is formed when water boils ... Water vapor cannot be seen, though in common language it is often used to refer to the visible mist of water droplets formed as this water vapor condenses in ...
List Of Marvel Comics Characters: V - Vapor
... Vapor (Ann Darnell) is a member of the U-Foes in the Marvel Comics universe ... Within the context of the stories, Vapor and the U-Foes gain superpowers by duplicating the origin of the Fantastic Four, and appear as enemies of the Hulk ...

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