commutator
com·mu·ta·torOrigin of commutator
from Classical Latin commutatus (pp. of commutare, commute) + -or
MLA Style
"commutator." YourDictionary, n.d. Web. 25 May 2018. <http://www.yourdictionary.com/commutator>.
APA Style
commutator. (n.d.). Retrieved May 25th, 2018, from http://www.yourdictionary.com/commutator
commutator
noun
- A cylindrical arrangement of insulated metal bars connected to the coils of a direct-current electric motor or generator, providing a unidirectional current from the generator or a reversal of current into the coils of the motor.
- Mathematics In a commutative or noncommutative group, an element of the form ghg ^{−1} h ^{−1} where g and h are elements of the group. If g and h commute, the commutator is the identity element.
MLA Style
"commutator." YourDictionary, n.d. Web. 25 May 2018. <http://www.yourdictionary.com/commutator>.
APA Style
commutator. (n.d.). Retrieved May 25th, 2018, from http://www.yourdictionary.com/commutator
commutator
(plural commutators)
- an electrical switch, in a generator or motor, that periodically reverses the direction of an electric current
- (mathematics) (of a group) an element of the form ghg^{−1}h^{−1} where g and h are elements of the group; it is equal to the group's identity if and only if g and h commute
- (mathematics) (of a ring) an element of the form ab-ba, where a and b are elements of the ring, it is identical to the ring's zero element if and only if a and b commute
MLA Style
"commutator." YourDictionary, n.d. Web. 25 May 2018. <http://www.yourdictionary.com/commutator>.
APA Style
commutator. (n.d.). Retrieved May 25th, 2018, from http://www.yourdictionary.com/commutator