Definition of atmosphere

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Atmosphere (n.) The whole mass of aeriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars..

Lern More About Atmosphere

Atmosphere :: Atmosphere (n.) The portion of air in any locality, or affected by a special physical or sanitary condition; as, the atmosphere of the room; a moist or noxious atmosphere..
Paramo :: Paramo (n.) A high, bleak plateau or district, with stunted trees, and cold, damp atmosphere, as in the Andes, in South America..
Weather :: Weather (v. i.) To undergo or endure the action of the atmosphere; to suffer meteorological influences; sometimes, to wear away, or alter, under atmospheric influences; to suffer waste by weather..
Anticyclone :: Anticyclone (n.) A movement of the atmosphere opposite in character, as regards direction of the wind and distribution of barometric pressure, to that of a cyclone..
Hygrometry :: Hygrometry (n.) That branch of physics which relates to the determination of the humidity of bodies, particularly of the atmosphere, with the theory and use of the instruments constructed for this purpose..
Vapor :: Vapor (n.) In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc..
Westness :: Westness (n.) A watery or moist state of the atmosphere; a state of being rainy, foggy, or misty; as, the wetness of weather or the season..
Atmosphere :: Atmosphere (n.) The whole mass of aeriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars..
Rare :: Rare (superl.) Characterized by wide separation of parts; of loose texture; not thick or dense; thin; as, a rare atmosphere at high elevations..
Oxygen :: Oxygen (n.) A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96..
Psychrometer :: Psychrometer (n.) An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer..
Dew-point :: Dew-point (n.) The temperature at which dew begins to form. It varies with the humidity and temperature of the atmosphere.
Refraction :: Refraction (n.) The change in the direction of a ray of light, and, consequently, in the apparent position of a heavenly body from which it emanates, arising from its passage through the earth's atmosphere; -- hence distinguished as atmospheric refraction, or astronomical refraction..
High-pressure :: High-pressure (a.) Having or involving a pressure greatly exceeding that of the atmosphere; -- said of steam, air, water, etc., and of steam, air, or hydraulic engines, water wheels, etc..
Hyperborean :: Hyperborean (a.) Northern; belonging to, or inhabiting, a region in very far north; most northern; hence, very cold; fright, as, a hyperborean coast or atmosphere..
Baric :: Baric (a.) Of or pertaining to weight, esp. to the weight or pressure of the atmosphere as measured by the barometer..
Hydrometeor :: Hydrometeor (n.) A meteor or atmospheric phenomenon dependent upon the vapor of water; -- in the pl., a general term for the whole aqueous phenomena of the atmosphere, as rain, snow, hail, etc..
Meteor :: Meteor (n.) Any phenomenon or appearance in the atmosphere, as clouds, rain, hail, snow, etc..
Lightning :: Lightning (n.) A discharge of atmospheric electricity, accompanied by a vivid flash of light, commonly from one cloud to another, sometimes from a cloud to the earth. The sound produced by the electricity in passing rapidly through the atmosphere constitutes thunder..
Fog :: Fog (n.) Watery vapor condensed in the lower part of the atmosphere and disturbing its transparency. It differs from cloud only in being near the ground, and from mist in not approaching so nearly to fine rain. See Cloud..
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