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triac

 - 1 dictionary result

tri⋅ac

[trahy-ak]
–noun Electronics.
a type of thyristor designed for electronic control of the current supplied to a circuit, used esp. in dimmers for lighting systems.

Origin:
1960–65; tri(ode) + A.C. alternating current
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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