chemosphere

noun
che·​mo·​sphere | \ ˈkēmə, ¦kemə+ˌ \

Definition of chemosphere

: a stratum of the upper atmosphere in which photochemical reactions are prevalent and which begins about 20 miles above the earth's surface

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History and Etymology for chemosphere

chem- + sphere

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Dictionary Entries Near chemosphere

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chemosphere

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Cite this Entry

“Chemosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemosphere. Accessed 19 Oct. 2021.

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