triac Hear it!

triac definition

☆ triac (trī′ak′)

noun

Electronics a type of thyristor that functions as an electrically controlled switch for alternating current

Etymology: tri(ode) a(lternating-)c(urrent switch)

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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