• Webster's Revised Unabridged Dictionary
    • n Tetrazole (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.
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Century Dictionary and Cyclopedia
    • n tetrazole A colorless compound, prepared from aminophenyltetrazole-carboxylic acid. It has acidic properties, crystallizes in lustrous prisms or plates, melts at 155° C., and may be sublimed.
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Webster's Revised Unabridged Dictionary
Tetrazo-, + -ole,