triazine
noun
tri·azine
| \ ˈtrī-ə-ˌzēn
, trī-ˈa-ˌzēn\
, trī-ˈa-ˌzēn\
Definition of triazine
: any of three compounds C3H3N3 containing a ring composed of three carbon and three nitrogen atoms
also
: any of various derivatives of these including several (such as atrazine and simazine) used as herbicides
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