- C4H7N3O2
- Trigenic Tri*gen"ic, 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.] (Chem.) 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]
The Collaborative International Dictionary of English. 2000.