Definition of atmosphere

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Atmosphere (n.) The pressure or weight of the air at the sea level, on a unit of surface, or about 14.7 Ibs. to the sq. inch..

Lern More About Atmosphere

Psychrometer :: Psychrometer (n.) An instrument for measuring the tension of the aqueous vapor in the atmosphere, being essentially a wet and dry bulb hygrometer..
Air :: Air (n.) A particular state of the atmosphere, as respects heat, cold, moisture, etc., or as affecting the sensations; as, a smoky air, a damp air, the morning air, etc..
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..
Aerosphere :: Aerosphere (n.) The atmosphere.
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..
Atmospherical :: Atmospherical (a.) Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine..
Hygrometer :: Hygrometer (n.) An instrument for measuring the degree of moisture of the atmosphere.
Atmosphere :: Atmosphere (n.) A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies..
Symplectic :: Sympiesometer (n.) A sensitive kind of barometer, in which the pressure of the atmosphere, acting upon a liquid, as oil, in the lower portion of the instrument, compresses an elastic gas in the upper part..
Effloresce :: Effloresce (v. i.) To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in consequence of nitric acid formed in the atmosphere..
Misty :: Misty (superl.) Accompained with mist; characterized by the presence of mist; obscured by, or overspread with, mist; as, misty weather; misty mountains; a misty atmosphere..
Vacuum :: Vacuum (n.) The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch..
Meteorology :: Meteorology (n.) The science which treats of the atmosphere and its phenomena, particularly of its variations of heat and moisture, of its winds, storms, etc..
Twilight :: Twilight (n.) The light perceived before the rising, and after the setting, of the sun, or when the sun is less than 18? below the horizon, occasioned by the illumination of the earth's atmosphere by the direct rays of the sun and their reflection on the earth..
Hygrograph :: Hygrograph (n.) An instrument for recording automatically the variations of the humidity of the atmosphere.
Hospitalism :: Hospitalism (n.) A vitiated condition of the body, due to long confinement in a hospital, or the morbid condition of the atmosphere of a hospital..
Atmospherology :: Atmospherology (n.) The science or a treatise on the atmosphere.
Atmosphere :: Atmosphere (n.) Any surrounding or pervading influence or condition.
Dew-point :: Dew-point (n.) The temperature at which dew begins to form. It varies with the humidity and temperature of the atmosphere.
Dasymeter :: Dasymeter (n.) An instrument for testing the density of gases, consisting of a thin glass globe, which is weighed in the gas or gases, and then in an atmosphere of known density..
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