What do a.m. and p.m. stand for?

electromagnetic wave

noun, Physics.
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 of electromagnetic wave
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for electromagnetic wave
  • In other words, there would be no electromagnetic wave, and thus no light.
  • Light is traditionally explained as an electromagnetic wave with a frequency or wavelength that makes it visible to the human eye.
  • After all, a static magnetic field is merely an electromagnetic wave with a frequency of zero.
  • The properties of these electrons dictate, whether a certain kind of incoming electromagnetic wave will go through or will not.
  • Signals detection was performed by a measurement of the induced electromagnetic wave using a pick-up device.
British Dictionary definitions for electromagnetic wave

electromagnetic wave

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
Cite This Source
electromagnetic 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.
Cite This Source

Word of the Day

Difficulty index for electromagnetic wave

Few English speakers likely know this word

Word Value for electromagnetic

Scrabble Words With Friends