1.(Physics) Any substance in the gaseous, or aëriform, state, the condition of which is ordinarily that of a liquid or solid.
2.In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc.
3.Wind; flatulence.
4.Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
5.An old name for hypochondria, or melancholy; the blues.
6.(Pharm.) A medicinal agent designed for administration in the form of inhaled vapor.
Vapor bath
a - A bath in vapor; the application of vapor to the body, or part of it, in a close place; also, the place itself.
b - (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, precipitates, etc.; - called also air bath. A modified form is provided with a jacket in the outside partition for holding water, or other volatile liquid, by which the temperature may be limited exactly to the required degree.
Vapor burner
a burner for burning a vaporized hydrocarbon.
Vapor density
(Chem.) the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight.
Vapor engine
an engine worked by the expansive force of a vapor, esp. a vapor other than steam.
v. i.1.
[imp. & p. p. Vapored ; p. pr. & vb. n. Vaporing.]
1.To pass off in fumes, or as a moist, floating substance, whether visible or invisible, to steam; to be exhaled; to evaporate.
2.To emit vapor or fumes.
3.To talk idly; to boast or vaunt; to brag.
Poets used to vapor much after this manner.
- Milton.
We vapor and say, By this time Matthews has beaten them.
- Walpole.
v. t.1.To send off in vapor, or as if in vapor; as, to vapor away a heated fluid.
Noun1.vapor - a visible suspension in the air of particles of some substance
Synonyms: vapour
2.vapor - the process of becoming a vapor
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Translate Vapor to Spanish, Translate Vapor to German, Translate Vapor to French
Vantage game
Vantage ground
Vantage point
Vanua Levu
-- Vapor --
vapor bath
Vapor burner
vapor density
Vapor engine
Vapor galvanizing
vapor lock
Vapor pressure
Vaporer moth
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