Etymology
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ionosphere (n.)

region of the outer atmosphere, 1926, from ion + sphere. Coined by Scottish radar pioneer Robert A. Watson-Watt (1892-1973). So called because it contains many ions.

updated on January 02, 2016

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Dictionary entries near ionosphere

Ionian

Ionic

ionic

ionization

ionize

ionosphere

iopterous

iota

IOU

Iowa

IPA