the ionosphere - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “the ionosphere”

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the ionosphere

noun [S] uk   /aɪˈɒn.əˌsfɪər/  us   /-ˈɑː.nəˌsfɪr/ specialized
the part of the earth's atmosphere, from about 60 kilometres to about 1,000 kilometres above the surface, in which there are many ions
ionospheric
adjective uk   /aɪˌɒn.əˈsfer.ɪk/  us   /-ˌɑː.nə-/
Translations of “the ionosphere”
in Chinese (Traditional) 電離層…
in Chinese (Simplified) 电离层…
(Definition of the ionosphere from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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