commutate
transitive verb (-tated; -tating) Etymology: back-formation from commutation Date: 1893 to reverse every other half cycle of (an alternating current) so as to form a unidirectional current

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • commutate — ► VERB ▪ regulate or reverse the direction of (an alternating electric current), especially to make it a direct current …   English terms dictionary

  • commutate — [käm′yə tāt΄] vt. commutated, commutating [back form. < COMMUTATION] to repeatedly reverse the direction of (an electric current), esp. in a motor that uses direct current as its power source or in a generator that produces direct current …   English World dictionary

  • commutate — /kom yeuh tayt /, v.t., commutated, commutating. Elect. 1. to reverse the direction of (a current or currents), as by a commutator. 2. to convert (alternating current) into direct current by use of a commutator. [1645 55; back formation from… …   Universalium

  • commutate — com·mu·tate || kÉ’mjÊŠteɪt v. reverse the direction of an electrical current …   English contemporary dictionary

  • commutate — [ kɒmjʊteɪt] verb regulate or reverse the direction of (an alternating electric current), especially to make it a direct current. Origin C19: from L. commutat , commutare (see commute) …   English new terms dictionary

  • commutate — com·mu·tate …   English syllables

  • commutate — com•mu•tate [[t]ˈkɒm yəˌteɪt[/t]] v. t. tat•ed, tat•ing 1) elm to reverse the direction of (a current or currents), as by a commutator 2) elm to convert (alternating current) into direct current by use of a commutator • Etymology: 1645–55; back… …   From formal English to slang

  • commutate — /ˈkɒmjuteɪt/ (say komyoohtayt) verb (t) (commutated, commutating) Electricity 1. to reverse the direction of (a current or currents), as by a commutator. 2. to convert (alternating current) into direct current by use of a commutator …   Australian English dictionary

  • commutate — v.tr. Electr. 1 regulate the direction of (an alternating current), esp. to make it a direct current. 2 reverse the direction (of an electric current). Etymology: L commutare commutat (as COMMUTE) …   Useful english dictionary

  • Barter — (Roget s Thesaurus) < N PARAG:Barter >N GRP: N 1 Sgm: N 1 barter barter exchange scorse| truck system Sgm: N 1 interchange interchange &c. 148 GRP: N 2 Sgm: N 2 a Roland for an Oliver a Roland for an Oliver Sgm: N 2 quid pro …   English dictionary for students

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