Main Entry: com·mu·tate

Pronunciation: \ˈkäm-yə-ˌtāt, -yü-\

Function: transitive verb

Inflected Form(s): com·mu·tat·ed; com·mu·tat·ing

Etymology: back-formation from commutation

Date: 1893

: to reverse every other half cycle of (an alternating current) so as to form a unidirectional current