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geocorona

[jee-oh-kuh-roh-nuh]

noun

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

Origin of geocorona

First recorded in 1955–60; geo- + corona

Related formsge·o·co·ro·nal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.