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 birds, reptiles, and insects, is present in small quantity in human urine, and occurs pathologically in renal calculi and the tophi of gout
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Merriam-Webster unabridged
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The first known use of uric acid was in 1800
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