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Definition of Ionosphere in English :

Define Ionosphere in English

Ionosphere meaning in English

Meaning of Ionosphere in English

Pronunciation of Ionosphere in English

Ionosphere pronunciation in English

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Ionosphere

see synonyms of ionosphere

Noun

1. ionosphere

the outer region of the Earth's atmosphere; contains a high concentration of free electrons

WordNet Lexical Database for English. Princeton University. 2010.

Ionosphere

see synonyms of ionosphere
noun
a region of the earth's atmosphere, extending from about 60 kilometres to 1000 km 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
See also D region, E region, F region

Collins English Dictionary. Copyright © HarperCollins Publishers

Ionosphere

see synonyms of ionosphere
noun
the outer part of the earth's atmosphere, beginning at an altitude of c. 55 km (c. 34 mi) and extending to the highest parts of the atmosphere: it contains several regions that consist of a series of constantly changing layers characterized by an appreciable electron and ion content
see also D region, E region, F region

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Ionosphere

see synonyms of ionosphere
n.
A region of the earth's atmosphere where ionization caused by incoming solar radiation affects the transmission of radio waves. It extends from a height of 70 kilometers (43 miles) to 400 kilometers (250 miles) above the surface.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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