Meaning of “commutator” in the English Dictionary

british dictionary

"commutator" in British English

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commutatornoun [ C ]

uk /ˈkɒm.jə.teɪ.tər/ us /ˈkɑː.mjə.teɪ.t̬ɚ/ specialized

a device used in some types of electric motors to change the direction in which an electric current is flowing

(Definition of “commutator” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)