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English definition of “electromagnet”

electromagnet

noun [C]     /ɪˌlek.trəuˈmæɡ.nət/ US  /-troʊ-/ specialized
a device made from a piece of iron that becomes magnetic when a changing current is passed through the wire that goes round itElectrical components and circuitry
(Definition of electromagnet noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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