follow Dictionary.com

Submit your word to be a Word of the Day!

radiation belt

noun, Physics.
Origin
1955-1960
1955-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for radiation belt

radiation belt

noun
1.
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
Cite This Source
Contemporary definitions for radiation belt
noun

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

Usage Note

astronomy

Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
Cite This Source

Word of the Day

Difficulty index for radiation belt

Few English speakers likely know this word

Word Value for radiation

10
11
Scrabble Words With Friends