• synonyms


[ih-lek-troh-mag-ni-tiz-uh m]
  1. the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents.
  2. Also electromagnetics. the science that deals with these phenomena.
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Origin of electromagnetism

First recorded in 1820–30; electro- + magnetism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for electromagnetism

Historical Examples of electromagnetism

  • Oersted, of Copenhagen, made important discoveries in electromagnetism.

    The Scrap Book. Volume 1, No. 2


  • If you remember what has been said about sound and electromagnetism it will not be hard to understand.

  • Electromagnetism is the name given to magnetism that is developed by electricity.

    Things a Boy Should Know About Electricity

    Thomas M. (Thomas Matthew) St. John

  • The applied mathematical sciences of light, electricity and electromagnetism, 883 and of heat, were now largely developed.

  • Experiments have been made on the Paris and Lyons Railway for the application of electromagnetism to locomotives.

British Dictionary definitions for electromagnetism


  1. magnetism produced by an electric current
  2. Also called: electromagnetics the branch of physics concerned with magnetism produced by electric currents and with the interaction of electric and magnetic fields
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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

Word Origin and History for electromagnetism


1828; see electro- + magnetism.

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Online Etymology Dictionary, © 2010 Douglas Harper

electromagnetism in Science


  1. Any of the wide range of phenomena associated with the behavior and interaction of electric charges and electric and magnetic fields, such as electricity, magnetism, chemical bonds, and all forms of electromagnetic radiation, including light.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.