Dictionary definition for: Atmosphere
1. (n) a particular environment or surrounding influence; "there was an atmosphere of excitement"
2. (n) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and
3. (n) the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere" "it was exposed to the air"
4. (n) the weather or climate at some place; "the atmosphere was thick with fog"
5. (n) the envelope of gases surrounding any celestial body
6. (n) 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"
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