Chem. [f. TETRA- + AZ(O- azote + L. oleum oil.] A colorless compound of carbon, nitrogen, and hydrogen, N4CH2 = N ∠ CH . NH / N = N, having acidic properties, crystallizing in lustrous prisms or plates.
1892. Bladin in Jrnl. Chem. Soc., LXII. 1009. Tetrazole … is obtained as a yellowish, crystalline mass, and is purified by crystallisation from alcohol.
