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Definition of URIC ACID
: a white odorless and tasteless nearly insoluble acid C5H4N4O3 that is the chief nitrogenous waste present in the urine especially of lower vertebrates (as birds and reptiles), is present in small quantity in human urine, and occurs pathologically in renal calculi and the tophi of gout
: a white odorless nearly insoluble weak acid C5H4N4O3 that is present in small quantity in mammalian urine as an end product of purine metabolism, is present abundantly in the form of urates in the excreta of most lower vertebrates and invertebrates as the chief nitrogenous waste, and occurs pathologically in renal calculi and the tophi of gout
Heterocyclic compound of the purine type, the end product of metabolism of the purines in nucleic acids in many animals, including humans. It is excreted by reptiles and birds as the chief nitrogenous end product of protein breakdown. Small quantities are normally found in human blood; in gout, levels are abnormally high. Uric acid is used industrially in organic synthesis.