noun

atmosphere

atmosphere, ambience

The Earth's atmosphere is a layer of gases.

The Earth's atmosphere is a layer of gases.

The restaurant has a relaxed atmosphere.

The restaurant has a relaxed atmosphere.

((the atmosphere)) the envelope of gases surrounding the earth The atmosphere is getting warmer.

((a/an)) ((adjective)) ((atmosphere)) the pervading mood of a place The party had a festive atmosphere.

air, environment; mood, ambiance

From Greek 'atmos' (vapour) + 'sphaira' (sphere). Literally means 'vapour sphere'.

Break it down: 'atmo-sphere' is the 'sphere of air' around the Earth. Also think of the 'mood' in the air.

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