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