electromagnetism
Americannoun
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the phenomena associated with electric and magnetic fields and their interactions with each other and with electric charges and currents.
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Also the science that deals with these phenomena.
noun
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magnetism produced by an electric current
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Also called: electromagnetics. the branch of physics concerned with magnetism produced by electric currents and with the interaction of electric and magnetic fields
Etymology
Origin of electromagnetism
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Ordinary matter is affected by four known fundamental forces: gravity, electromagnetism, and the strong and weak forces within atoms.
From Science Daily • Nov. 16, 2025
“Our study completes the work of Albert Einstein in his attempt to relate gravity and electromagnetism forces in the same geometric theory,” Monjo, a professor of mathematics at Saint Louis University in Spain, told Salon.
From Salon • Nov. 13, 2024
To join the known physics laws of thermodynamics, electromagnetism and Newton’s laws of motion and gravity, the nine scientists and philosophers behind the paper propose their “law of increasing functional information.”
From Salon • Oct. 22, 2023
The dark photon is a hypothetical hidden sector particle, proposed as a force carrier similar to the photon of electromagnetism but potentially connected to dark matter.
From Science Daily • Sep. 18, 2023
After another ludicrously brief interval it was joined by electromagnetism and the strong and weak nuclear forces–the stuff of physics.
From "A Short History of Nearly Everything" by Bill Bryson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.