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radiation belt

noun, Physics.
Origin of radiation belt
First recorded in 1955-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for radiation belt
Historical Examples
  • Staying far enough up to maintain orbit, they were close enough to be below the planet's radiation belt.

    The Secret of the Ninth Planet Donald Allen Wollheim
British Dictionary definitions for radiation belt

radiation belt

a region in the magnetosphere of a planet in which charged particles are trapped by the planet's magnetic field, an example being the earth's Van Allen belts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for radiation belt

a region around a planet where charged particles accumulate due to the planet's magnetic field

Usage Note

astronomy's 21st Century Lexicon
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