/ ˈstrætəsfɪə(r); NAmE -sfɪr/ noun
the stratosphere [ sing. ] the layer of the earth's atmosphere between about 10 and 50 kilometres above the surface of the earth
—compare ionosphere
► strato·spher·ic / ˌstrætəˈsferɪk; NAmE ; NAmE also -ˈsfɪr-/ adjective :
stratospheric clouds
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IDIOMS
- in / into the stratosphere