Definition of electromagnetism
1 : magnetism developed by a current of electricity
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
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Recent Examples of electromagnetism from the Web
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If electromagnetism were only a little stronger, then even in the hearts of stars nuclei would not be banged together hard enough to bring forth carbon.
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Theorists in the 1970s posited a relationship between the particles that carry forces, like the photon that conveys electromagnetism or light, and the basic constituents of matter, electrons and quarks.
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The team hopes to use microfluidics (differences in either liquid or air pressure) or electromagnetism (interactions of electric currents and magnetic fields) to move the pins.
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Ford incorporates a slew of new technologies, including the vaunted electromagnetic aircraft launch system (EMALS), which uses electromagnetism instead of traditional steam to launch aircraft from the flight deck.
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And the thing that connects our civilization together is electromagnetism.
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Building and studying this project provides the satisfaction of creating an amazing bit of technology, and the opportunity to explore magnetism, electromagnetism, electric motors, solar power generation, and personal manufacturing.
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
playDefinition of electromagnetism for English Language Learners
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: a magnetic field that is produced by a current of electricity
Medical Dictionary
electromagnetism
playMedical Definition of electromagnetism
1: magnetism developed by a current of electricity
2: physics dealing with the relations between electricity and magnetism
Learn More about electromagnetism
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Spanish Central: Translation of electromagnetism Nglish: Translation of electromagnetism for Spanish speakers Britannica.com: Encyclopedia article about electromagnetism
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