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Definition of commutator noun from the Oxford Advanced Learner's Dictionary

commutator

noun

/ˈkɒmjuteɪtə(r)/

/ˈkɑːmjuteɪtər/

(physics)

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a device that connects a motor to the electricity supply

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a device for changing the direction in which electricity flows

See commutator in the Oxford Advanced American Dictionary

Check pronunciation: commutator

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noun

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