Definitions for uric acid
Random House Webster's College Dictionary
a compound, C5H4N4O3, that is present in mammalian urine in small amounts and is the principal nitrogenous component of the excrement of reptiles and birds.
Origin of uric acid:
a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine
a bicyclic heterocyclic phenolic compound, formed in the body by the metabolism of protein and excreted in the urine (or in avian faeces)
U.S. National Library of Medicine
An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.