triazine

triazine [trahy-uh-zeen, -zin, trahy-az-een, -in] Word Origin noun Chemistry.

1. any of a group of three compounds containing three nitrogen and three carbon atoms arranged in a six-membered ring and having the formula C3H3N3.
2. any of a number of their derivatives.

Origin of triazine First recorded in 1890–95; tri- + azine British Dictionary definitions for triazine triazine triazin (ˈtraɪəzɪn, traɪˈæzɪn) noun

1. any of three azines that contain three nitrogen atoms in their molecules. Formula: C 3 H 3 N 3
2. any substituted derivative of any of these compounds