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Troposphere
noun
Definitions
Noun
- 1 The lower levels of the atmosphere extending from the surface of the Earth or another celestial body up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.
- 2 the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude) wordnet
Etymology
Borrowed from French troposphère. Equivalent to tropo- + -sphere.
See also for "troposphere"
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Unscramble this word: troposphere