IONOSPHERE


Meaning of IONOSPHERE in English

/ aɪˈɒnəsfɪə(r); NAmE aɪˈɑːnəsfɪr/ noun

the ionosphere [ sing. ] a layer of the earth's atmosphere between about 80 and 1 000 kilometres above the surface of the earth, that reflects radio waves around the earth

—compare stratosphere

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.