magnetosheath

American

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

noun

Astronomy.

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

Example Sentences

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magnetosheath

As the Moon travels around Earth, it sometimes moves through the magnetosheath, a buffer region surrounding the magnetosphere.

From Science Daily ● Jul. 21, 2026

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