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ionosphere A region of the earth's atmosphere, extending from about 60 to 1000 kilometers above the earth's surface, in which there is a high concentration of free electrons formed as a result of ionizing radiation entering the atmosphere from space [aɪ'ɒnəsfɪə, aɪ'ɑːnəsfɪr] adj.
environ.	ionosfera
ionosphere [aɪ'ɒnəsfɪə, aɪ'ɑːnəsfɪr] adj.
gen.	ionosfera

ionosphere sounding : 1 phrase in 1 subject

Electronics

1