Word.ws English Dictionary

commutator

commutator noun: an electrical switch, in a generator or motor, that periodically reverses the direction of an electric current.

commutator: an electrical switch, in a generator or motor, that periodically reverses the direction of an...
Image: Sebastian Stabinger Paethon, CC BY-SA 3.0, via Wikimedia Commons

Noun

commutator (plural commutators)

  1. An electrical switch, in a generator or motor, that periodically reverses the direction of an electric current.
  2. A binary map in a given group G, given by [g, h] = ghg⁻¹h⁻¹, where g and h are elements of G, which yields the group's identity if and only if the group operation commutes for g and h.
  3. (ring theory) A binary map in a given ring R, given by [a, b] = ab − ba, where a and b are elements of R, which yields the ring's zero element if and only if the multiplication operation commutes for a and b.

commutator meaning in Tamil and Kannada

commutator in Tamil

திசைமாற்றி, திரட்டி

commutator in Kannada

ಮೂಲೆಮಾರ್ಪುಕ

Synonyms of commutator

Forms of commutator

pluralcommutators

Origin of commutator

Back-formation from commutation (in the late 19th century), as is commutate (verb) too.

Words formed from commutator

Phrases with commutator

Questions about commutator

What does commutator mean?
Commutator means an electrical switch, in a generator or motor, that periodically reverses the direction of an electric current.
What is commutator in Tamil?
Commutator in Tamil is திசைமாற்றி, திரட்டி. See Commutator meaning in Tamil.
What part of speech is commutator?
Commutator is a noun.
What is the plural of commutator?
The plural of commutator is commutators.

Words near commutator in the dictionary

  1. commutative rings
  2. commutatively
  3. commutativeness
  4. commutativities
  5. commutativity
  6. commutator
  7. commutator length
  8. commutator lengths
  9. commutator subgroup
  10. commutator subgroups
  11. commutatorless

Source and license

Adapted from Wiktionary: commutator (page history and authors); commutator (Tamil Wiktionary) (page history and authors); commutator (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “commutator.” Word.ws, https://word.ws/commutator. Based on Wiktionary, CC BY-SA 4.0.