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


[ih-lek-troh-mag-ni-tiz-uh m] /ɪˌlɛk troʊˈmæg nɪˌtɪz əm/
the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents.
Also, electromagnetics. the science that deals with these phenomena.
Origin of electromagnetism
1820-30; electro- + magnetism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for electromagnetism
  • Henry's fame rests on his pioneering work on the nature of electromagnetism.
  • Physicists make no attempt to explain why things obey the law of electromagnetism or of gravitation.
  • What is particularly interesting about it is that it does not notice electromagnetism.
  • There was no distinction between electromagnetism and the weak interaction.
  • There they searched for data on seismology and electromagnetism.
  • By definition they have no electrical charge, and therefore no interaction with electromagnetism.
  • In electromagnetism, the current flowing through a wire creates a circular magnetic field around the wire.
  • Thus this anomaly is an evidence for the necessity of unification between electromagnetism and gravitation.
  • Electricity and magnetism were unified in the theory of electromagnetism.
  • It seems possible that electromagnetism may play a role in the country as well as the city.
British Dictionary definitions for electromagnetism


magnetism produced by an electric current
Also called electromagnetics. the branch of physics concerned with magnetism produced by electric currents and with the interaction of electric and magnetic fields
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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Word Origin and History for electromagnetism

1828; see electro- + magnetism.

Online Etymology Dictionary, © 2010 Douglas Harper
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electromagnetism in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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