atmosphere meaning and definition

ATMOSPHERE noun

Definition of atmosphere (noun)

1. a particular environment or surrounding influence
   • "there was an atmosphere of excitement"
   • synonyms: ambiance, ambience
2. a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
   • synonyms: atm, standard atmosphere, standard pressure
3. the mass of air surrounding the Earth
   • "there was great heat as the comet entered the atmosphere"; "it was exposed to the air"
   • synonyms: air
4. the weather or climate at some place
   • "the atmosphere was thick with fog"
   • synonyms: atmospheric state
5. the envelope of gases surrounding any celestial body
6. 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"
   • synonyms: air, aura