{ Tet*raz"ine (?), n. Also -in }. [Tetrazo- + -ine.] (Chem.) A hypothetical compound, C₂H₂N₄ which may be regarded as benzene with four CH groups replaced by nitrogen atoms; also, any of various derivatives of the same. There are three isomeric varieties.

{ Tet*raz"ine (?), n. Also -in }. [Tetrazo- + -ine.] (Chem.) A hypothetical compound, C₂H₂N₄ which may be regarded as benzene with four CH groups replaced by nitrogen atoms; also, any of various derivatives of the same. There are three isomeric varieties.