Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The long, trailing limb of the earth's magnetosphere on the side facing away from the sun.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun astronomy The long, trailing part of a magnetosphere on the side of a planet furthest from the sun

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[magneto(sphere) + tail.]

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Examples

Comments

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  • An odd-looking word.

    April 23, 2018