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English definition of “the stratosphere”

the stratosphere

noun [S] uk   /ˈstræt.ə.sfɪər/ us    /ˈstræ.t̬ə.sfɪr/ specialized
the layer of gases surrounding the Earth at a height of between 15 and 50 kilometres that is not affected by the weather and in which the temperature increases with height: During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about eight percent. The Earth and outer space - general words
(Definition of the stratosphere from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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