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substratosphere

[ suhb-strat-uh-sfeer ]
/ sʌbˈstræt əˌsfɪər /
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noun (not used technically)

the upper troposphere.

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Origin of substratosphere

First recorded in 1915–20; sub- + stratosphere
sub·strat·o·spher·ic [suhb-strat-uh-sfer-ik, -sfeer-], /ˌsʌb stræt əˈsfɛr ɪk, -ˈsfɪər-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
  • It hadn't looked so big from the substratosphere in Alexander's ship, but down here close to the ground it was enormous.

    The Lani People|J. F. Bone
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