electromagnetism

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noun elec·tro·mag·ne·tism \i-ˌlek-trō-ˈmag-nə-ˌti-zəm\

Definition of electromagnetism

  1. 1 :  magnetism developed by a current of electricity

  2. 2a :  a fundamental physical force that is responsible for interactions between charged particles which occur because of their charge and for the emission and absorption of photons, that is about a hundredth the strength of the strong force, and that extends over infinite distances but is dominant over atomic and molecular distances —called also electromagnetic force — compare gravity 3a(2), strong force, weak forceb :  a branch of physical science that deals with the physical relations between electricity and magnetism

Recent Examples of electromagnetism from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnetism'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of electromagnetism

1821


ELECTROMAGNETISM Defined for English Language Learners

electromagnetism

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noun

Definition of electromagnetism for English Language Learners

  • : a magnetic field that is produced by a current of electricity


Medical Dictionary

electromagnetism

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noun elec·tro·mag·ne·tism \i-ˌlek-trō-ˈmag-nə-ˌtiz-əm\

Medical Definition of electromagnetism

  1. 1:  magnetism developed by a current of electricity

  2. 2:  physics dealing with the relations between electricity and magnetism



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