(electronics) A three-terminal electronic component that conducts current in either direction when triggered; a bidirectional triode thyristor.

Alternative form of triac

(geometry) A regular polygon with thirty sides.

plural of triacid

(organic chemistry, in combination) Three acetone substituents in another compound.

plural of triacontagon

(chemistry, of a base) That is capable of neutralizing three moles of a monobasic acid

A thrombin inhibitor present in the saliva of the triatomine Triatoma pallidipennis

plural of triacetylene

(geometry) A polygon with thirty-two sides and thirty-two angles.