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Definition of atmosphere

atmosphere

/ˈæt.məs.fɪər/
at · mos · phere
Adverb:atmospherically
•
Plural:atmospheres
•
Adjective:atmospheric
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atmosphere Lexical Profile

atmosphere Game Scores & Validity

• noun

1

The envelope of gases surrounding the Earth or another planet.

Example

"The spacecraft burned up as it re-entered the Earth's atmosphere."

2

The pervading tone, mood, or feeling of a place, situation, or creative work.

Example

"The dimly lit restaurant had a warm and welcoming atmosphere."

3

A unit of pressure equal to the mean atmospheric pressure at sea level, approximately 101,325 pascals.

Example

"At that depth in the ocean, the submersible withstood a pressure of over a hundred atmospheres."

Synonyms
View all synonyms for atmosphere

• Nearby Words

atlantic salmon
atlas
atlas mountains
atmosphere
atmospheric
atmospherical
atmospherically

Word Origin & Etymology

Coined in the 17th century from Modern Latin 'atmosphaera', combining the Ancient Greek 'atmos' (vapor, steam) and 'sphaira' (sphere, globe).

Cite this Entry

Wordmom. (2026). Definition of Atmosphere. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/atmosphere
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