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.

Nearby words

  1. electromagnetic pump,
  2. electromagnetic radiation,
  3. electromagnetic spectrum,
  4. electromagnetic tape,
  5. electromagnetic unit,
  6. electromagnetic waves,
  7. electromagnetics,
  8. electromagnetism,
  9. electromechanical,
  10. electromechanical dissociation

Origin of electromagnetic wave

First recorded in 1905–10

Also called electric wave.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for electromagnetic wave

electromagnetic wave

noun

a wave of energy propagated in an electromagnetic fieldSee 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

Science definitions for electromagnetic wave

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.