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stratosphere: Meaning and Definition of
strat•o•sphere
Pronunciation: (strat'u-sfēr"), [key]
— n.
- the region of the upper atmosphere extending upward from the tropopause to about 30 miles (50 km) above the earth, characterized by little vertical change in temperature.
- (formerly) all of the earth's atmosphere lying outside the troposphere.
- any great height or degree, as the highest point of a graded scale.
See also:
- stratosphere (Thesaurus)
