Commutator



noun
1.
(a device used to reverse the direction of an electric current) ការផ្ដាច់ចរន្ដអគ្គិសនី
ENGLISH MEANING
noun
1.
A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction.