tetrazole
Tet*raz"ole, n. [Tetrazo- + -ole.] (Org. Chem.) Defn: A crystalline acid substance, CH2N4, which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, any of various derivatives of the same.
Tet*raz"ole, n. [Tetrazo- + -ole.] (Org. Chem.) Defn: A crystalline acid substance, CH2N4, which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, any of various derivatives of the same.