A water-soluble compound, CO(NH2)2, that is the major nitrogenous end product of protein metabolism and is the chief nitrogenous component of the urine in mammals and other organisms. Also called carbamide.
from The American Heritage Dictionary of the English Language, 4th Edition
A soluble weakly basic nitrogenous compound CO(NH) that is the chief solid component of mammalian urine and an end product of protein decomposition, is synthesized from carbon dioxide and ammonia, and is used especially in synthesis (as of resins and plastics) and in fertilizers and animal rations.
from Free Scrabble Dictionary
A colourless crystalline compound which is the main nitrogenous breakdown product of protein metabolism in mammals and is excreted in urine.
from Free Scrabble Dictionary
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