noun

atmosphere

/ˈætməsˌfɪr/ · say it: AT·muhz·feer

the layer of gases surrounding a planet

In Science & Nature

In more detail

1. (noun) the layer of air and gases surrounding the Earth

2. (noun) the feeling or mood created by a place or situation

Examples

1. Carbon dioxide in the atmosphere contributes to climate change.
2. The old library had a quiet, peaceful atmosphere.

How to use atmosphere

Atmosphere has two main uses: the scientific one refers to Earth's air layer, while the figurative one describes the emotional quality of a place or situation. In the figurative sense, it is more evocative and subjective than synonyms like 'mood' or 'environment', often implying an intangible quality that pervades a space.

Common phrases

create an atmosphere
atmosphere of trust
pleasant atmosphere
tense atmosphere
pollute the atmosphere

Synonyms

air · ambiance · mood · aura · environment

Word family

atmospheric (adjective) · atmospherically (adverb)

A common mistake

Learners sometimes confuse the singular 'atmosphere' with the plural form, which remains 'atmospheres' (not 'atmosphers'). Additionally, 'atmosphere' as the scientific term is sometimes confused with related terms like 'weather' or 'climate', though it refers specifically to the gaseous layer.

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