diureide

from The Century Dictionary.

• noun One of a class of organic compounds, such as uric acid, which contain two ureide radicals in the molecule.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) One of a series of complex nitrogenous substances regarded as containing two molecules of urea or their radicals, as uric acid or allantoin. Cf. ureide.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry One of a series of complex nitrogenous substances regarded as containing two molecules of urea or their radicals.