WordReference Random House Unabridged Dictionary of American English © 2026
tri•ac  (trī′ak),USA pronunciation n. [Electronics.]
  1. Electronicsa type of thyristor designed for electronic control of the current supplied to a circuit, used esp. in dimmers for lighting systems.
  • tri(ode) + A.C. alternating current 1960–65

'triac' also found in these entries (note: many are not synonyms or translations):
cellulose triacetate - phratry - triacetate fiber

Forum discussions with the word(s) "triac" in the title:


Look up "triac" at Merriam-Webster
Look up "triac" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!

Become a WordReference Supporter to view the site ad-free.