from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various derivatives of urea.
from The Century Dictionary.
- noun A compound of urea with an acid radical. The ureides include a large number of urea-derivatives of very complex structure.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Any one of the many complex derivatives of urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine, et., are ureides.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry any compound, of
general formulaR-CO-NH-CO-NH2 or R-CO-NH-CO-NH-CO-R', formally derived by the acylationof urea
from The American Heritage® Dictionary of the English Language, 4th Edition
[ure(a) + –ide.]
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