ATMOSPHERE
air, aura, atmosphere
(noun) a distinctive but intangible quality surrounding a person or thing; “an air of mystery”; “the house had a neglected air”; “an atmosphere of defeat pervaded the candidate’s headquarters”; “the place had an aura of romance”
atmosphere, air
(noun) the mass of air surrounding the Earth; “there was great heat as the comet entered the atmosphere”; “it was exposed to the air”
atmosphere
(noun) the envelope of gases surrounding any celestial body
atmosphere, atmospheric state
(noun) the weather or climate at some place; “the atmosphere was thick with fog”
atmosphere, ambiance, ambience
(noun) a particular environment or surrounding influence; “there was an atmosphere of excitement”
Source: WordNet® 3.1
Etymology
Noun
atmosphere (plural atmospheres)
The gases surrounding the Earth or any astronomical body.
Coordinate terms: hydrosphere, biosphere
Meronym: Thesaurus:atmosphere
The air in a particular place.
(figuratively) The apparent mood felt in an environment.
Synonyms: air, ambiance, feeling, mood
A unit of measurement for pressure equal to 101325 Pa (symbol: atm)
Source: Wiktionary
At"mos*phere, n. Etym: [Gr. atman breath, soul, G. athem breath) +
atmosphère. See Sphere.]
1. (Physics)
(a) 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.
(b) Any gaseous envelope or medium.
An atmosphere of cold oxygen. Miller.
2. A supposed medium around various bodies; as, electrical
atmosphere, a medium formerly supposed to surround electrical bodies.
Franklin.
3. 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.
4. Any surrounding or pervading influence or condition.
The chillest of social atmospheres. Hawthorne.
5. 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.
Source: Webster’s Unabridged Dictionary 1913 Edition