triac [trahy-ak] Word Origin noun Electronics.
- a type of thyristor designed for electronic control of the current supplied to a circuit, used especially in dimmers for lighting systems.
Origin of triac 1960–65; tri(ode) + A.C. alternating current
triac [trahy-ak] Word Origin noun Electronics.
Origin of triac 1960–65; tri(ode) + A.C. alternating current