Definition
Atmosphere is a noun that refers to the layer of gases surrounding a planet, especially Earth. It also describes the general feeling or mood in a particular environment or setting.
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Pronunciation
The pronunciation of "atmosphere" differs slightly between American and British English, particularly in the final syllable.
Etymology
The word "atmosphere" comes from the Greek words "atmos," meaning "vapor" or "steam," and "sphaira," meaning "sphere." The term was adopted into English in the mid-17th century to describe the gaseous layer surrounding Earth.
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Usage
The term "atmosphere" is commonly used in scientific contexts to describe the layer of gases around Earth, as in "The atmosphere is essential for sustaining life." It is also used in everyday language to describe the mood or setting of a place, such as "The restaurant has a cozy atmosphere."
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Detailed Definitions