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radiant energy

noun, Physics.
1.
energy transmitted in wave motion, especially electromagnetic wave motion.
2.
light1 (def 2a).
Origin
1910-1915
1910-15
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for radiant-energy

radiant energy

noun
1.
energy that is emitted or propagated in the form of particles or electromagnetic radiation. It is measured in joules Qe
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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radiant-energy in Science
radiant energy  
Energy in the form of waves, especially electromagnetic waves. Radio waves, x-rays, and visible light are all forms of radiant energy.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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