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electromagnetism

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electromagnetism

Main Entry:: elec·tro·mag·ne·tism
Pronunciation:: \i-ˌlek-trō-ˈmag-nə-ˌti-zəm\
Function:: noun
Date:: 1828

1: magnetism developed by a current of electricity2 a: 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 force b: a branch of physical science that deals with the physical relations between electricity and magnetism

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