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magnetosheath

American  
[mag-nee-tuh-sheeth] / mægˈni təˌʃiθ /

noun

Astronomy.

  1. the region between the magnetopause of the earth or of some other planet and the shock front caused by the solar wind.

Etymology

Origin of magnetosheath

First recorded in 1965–70; magneto- + sheath

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.