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triazine

noun tri·azine \ ˈtrī-ə-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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