- C2O2N3H5
- Biuret Bi"u*ret, n. [Pref. bi- + urea.] (Chem.) A white, crystalline, nitrogenous substance, {C2O2N3H5}, formed by heating urea. It is intermediate between urea and cyanuric acid. [1913 Webster]
The Collaborative International Dictionary of English. 2000.