Definition of vapor

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Vapor (n.) A medicinal agent designed for administration in the form of inhaled vapor.

Lern More About Vapor

Liquid :: Liquid (a.) Being in such a state that the component parts move freely among themselves, but do not tend to separate from each other as the particles of gases and vapors do; neither solid nor aeriform; as, liquid mercury, in distinction from mercury solidified or in a state of vapor..
Exhale :: Exhale (v. t.) To breathe out. Hence: To emit, as vapor; to send out, as an odor; to evaporate; as, the earth exhales vapor; marshes exhale noxious effluvia..
Exosmose :: Exosmose (n.) The passage of gases, vapors, or liquids thought membranes or porous media from within outward, in the phenomena of osmose; -- opposed to endosmose. See Osmose..
Ascent :: Ascent () The act of rising; motion upward; rise; a mounting upward; as, he made a tedious ascent; the ascent of vapors from the earth..
Vaporous :: Vaporous (a.) Unreal; unsubstantial; vain; whimsical.
Evaporation :: Evaporation (n.) The transformation of a portion of a fluid into vapor, in order to obtain the fixed matter contained in it in a state of greater consistence..
Gurglet :: Gurglet (n.) A porous earthen jar for cooling water by evaporation.
Exhaust :: Exhaust (v. t.) To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation..
Blaze :: Blaze (n.) A stream of gas or vapor emitting light and heat in the process of combustion; a bright flame.
Orgyia :: Orgyia (n.) A genus of bombycid moths whose caterpillars (esp. those of Orgyia leucostigma) are often very injurious to fruit trees and shade trees. The female is wingless. Called also vaporer moth.
Evanescence :: Evanescence (n.) The act or state of vanishing away; disappearance; as, the evanescence of vapor, of a dream, of earthly plants or hopes..
Saltern :: Saltern (n.) A building or place where salt is made by boiling or by evaporation; salt works.
Distillation :: Distillation (n.) The separation of the volatile parts of a substance from the more fixed; specifically, the operation of driving off gas or vapor from volatile liquids or solids, by heat in a retort or still, and the condensation of the products as far as possible by a cool receiver, alembic, or condenser; rectification; vaporization; condensation; as, the distillation of illuminating gas and coal, of alcohol from sour mash, or of boric acid in steam..
Evanescent :: Evanescent (a.) Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys..
Scud :: Scud (n.) Loose, vapory clouds driven swiftly by the wind..
Deflagrate :: Deflagrate (v. t.) To cause to burn with sudden and sparkling combustion, as by the action of intense heat; to burn or vaporize suddenly; as, to deflagrate refractory metals in the oxyhydrogen flame..
Haze :: Haze (n.) Light vapor or smoke in the air which more or less impedes vision, with little or no dampness; a lack of transparency in the air; hence, figuratively, obscurity; dimness..
Thick :: Thick (superl.) Dense; not thin; inspissated; as, thick vapors. Also used figuratively; as, thick darkness..
Dephlegmator :: Dephlegmator (n.) An instrument or apparatus in which water is separated by evaporation or distillation; the part of a distilling apparatus in which the separation of the vapors is effected.
Cryophorus :: Cryophorus (n.) An instrument used to illustrate the freezing of water by its own evaporation. The ordinary form consists of two glass bulbs, connected by a tube of the same material, and containing only a quantity of water and its vapor, devoid of air. The water is in one of the bulbs, and freezes when the other is cooled below 32ยก Fahr..
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