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English definition of “atmosphere”

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atmosphere

noun uk   /ˈæt.mə.sfɪər/ us    /-sfɪr/

atmosphere noun (AIR)

the atmosphere B2 [S] the mixture of gases around the earth: These factories are releasing toxic gases into the atmosphere. [C] a mixture of gases that surrounds any planet: the search for planets with a breathable atmosphereB2 [S] the air that you breathe in a place: The atmosphere in the room was so stuffy I could hardly breathe. A few plants in an office will improve the atmosphere.

atmosphere noun (MOOD)

B1 [S] the character, feeling, or mood of a place or situation: There's a very relaxed atmosphere in our office. There has been an atmosphere of gloom in the factory since it was announced that it would be closing. [U] approving a feeling that a place has of being pleasant and interesting or exciting: You want a restaurant that serves good food but has a little atmosphere too. He put on some soft music and turned the lights down in order to give the room a little more atmosphere.
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(Definition of atmosphere from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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