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Definition of: urea
(y·rē′ə) noun Biochem.
A very soluble colorless crystalline compound, CO(NH2)2, formed by the oxidation of nitrogenous compounds in the body, and also made synthetically: used in medicine and in the making of plastics. Also called carbamide. [<NL <F urée <Gk. ouron]
—u·re′al adjective
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