Word Study
trigenic
CIDE DICTIONARY
trigenic, a. [Pref. tri- + gen- + -ic. So named in reference to its composition, it being supposed to contain the radicals of three molecules of cyanic acid.].
Of, pertaining to, or designating, an acid, C4H7N3O2 , obtained, by the action of the vapor of cyanic acid on cold aldehyde, as a white crystalline substance having a slightly acid taste and faint smell; -- called also ethidene-biuret or ethylidene-biuret . [1913 Webster]
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