a substance that contains nitrogen, is found in the urine of mammals and some fish, and is used in some kinds of fertilizer. Source: Merriam-Webster's Learner's ...
Urea definition, Biochemistry. a compound, CO(NH 2) 2 , occurring in urine and other body fluids as a product of protein metabolism. See more.
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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 ...
A colourless crystalline compound which is the main nitrogenous breakd.... Meaning, pronunciation and example sentences, English to English reference ...