geocorona

[jee-oh-kuh-roh-nuh] /ˌdʒi oʊ kəˈroʊ nə/

noun

a belt of ionized hydrogen surrounding the earth at the outer limit of the exosphere.

Origin of geocorona

1955-1960

First recorded in 1955-60; geo- + corona

Related forms

geocoronal, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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geocorona in Science

geocorona

(jē'ō-kə-rō'nə)
The halo of far-ultraviolet solar light that reflects off the Earth's exosphere.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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