Search Result for "ch2n4": 
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1 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Tetrazole \Tet*raz"ole\, n. [Tetrazo- + -ole.] (Org. Chem.) 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. [Webster 1913 Suppl.]