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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.
- Atmosphere - n. - Any gaseous envelope or medium.
- Atmosphere - n. - A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies.
- 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.
- Atmosphere - n. - Any surrounding or pervading influence or condition.
- 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.
- Paragrele - n. - A lightning conductor erected, as in a vineyard, for drawing off the electricity in the atmosphere in order to prevent hailstorms.
- Dew - n. - Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night.
- 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.
- Argon - n. - A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness.
- Olfaction - n. - The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.
- Weather - n. - The state of the air or atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness, or any other meteorological phenomena; meteorological condition of the atmosphere; as, warm weather; cold weather; wet weather; dry weather, etc.
- Nitrogen - n. - A colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume. It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, as ammonia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva.
- 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.
- 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.
- Meteorological - a. - Of or pertaining to the atmosphere and its phenomena, or to meteorology.
- Vapor - n. - In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc.
- Chromosphere - n. - An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame.
- Baric - a. - Of or pertaining to weight, esp. to the weight or pressure of the atmosphere as measured by the barometer.
- Tranquil - a. - Quiet; calm; undisturbed; peaceful; not agitated; as, the atmosphere is tranquil; the condition of the country is tranquil.
- 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.
- 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.
- 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 - superl. - Characterized by wide separation of parts; of loose texture; not thick or dense; thin; as, a rare atmosphere at high elevations.
- Meteoroid - n. - A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor.
- 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.
- Deliquescent - a. - Dissolving; liquefying by contact with the air; capable of attracting moisture from the atmosphere and becoming liquid; as, deliquescent salts.
- 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.
- 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.
- Corona - n. - A circle, usually colored, seen in peculiar states of the atmosphere around and close to a luminous body, as the sun or moon.