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uric acid
uricase
uridine
Urim and Thummim
urin-
urinal
urinalysis
urinary
urinary bladder
urinate
urine
uriniferous
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urinogenital
urinometer
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urea

u·re·a [ y r ə ]


noun 
Definition:
 
constituent of urine: a nitrogenous compound found in the urine of mammals, produced through protein decomposition. It is also produced synthetically. Use: fertilizers, feeds, manufacture of resins. CO(NH2)2

[Early 19th century. < modern Latin, alteration of French urée< Old French urine (see urine)]

u·re·al adjective
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