triazole

noun

One of two isomeric aromatic compounds with composition C2H3N3, having a five-membered ring of two carbon atoms and three nitrogen atoms.

noun

A compound derived from one of these isomers.

noun

A class-name applied, in organic chemistry, to compounds containing in their molecule a cyclic group consisting of three nitrogen and two carbon atoms, such as Various arrangements of these atoms are possible.

noun

either of two isomeric heterocyclic compounds having a five-membered ring with three nitrogen atoms and two double bonds in the ring; any organic derivative of these compounds