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electromagnetic wave

noun, Physics.
1.
a wave produced by the acceleration of an electric charge and propagated by the periodic variation of intensities of, usually, perpendicular electric and magnetic fields.
Also called electric wave.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for electro-magnetic wave

electromagnetic wave

noun
1.
a wave of energy propagated in an electromagnetic field See also electromagnetic radiation
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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electro-magnetic wave in Science
electromagnetic wave  
A wave of energy consisting of electric and magnetic fields, oscillating at right angles to each other. See more at electromagnetic radiation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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