ATMOSPHERE

Definitions

1. 1. The whole mass of aëriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars.
2. 2. Any gaseous envelope or medium. An atmosphere of cold oxygen. Miller.
3. 3. A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies. Franklin.
4. 4. 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. Hydrogen was liquefied under a pressure of 650 atmospheres. Lubbock.
5. 5. Any surrounding or pervading influence or condition. The chillest of social atmospheres. Hawthorne.
6. 6. 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.