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electrodynamics

[ih-lek-troh-dahy-nam-iks]
noun (used with a singular verb)
  1. the branch of physics that deals with the interactions of electric, magnetic, and mechanical phenomena.
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Origin of electrodynamics

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

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British Dictionary definitions for electrodynamics

electrodynamics

noun
  1. (functioning as singular) the branch of physics concerned with the interactions between electrical and mechanical forces
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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

electrodynamics in Science

electrodynamics

[ĭ-lĕk′trō-dī-nămĭks]
  1. The scientific study of electric charge and electric and magnetic fields, along with the forces and motions those fields induce. See also electromagnetism.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.