uric acid

noun

: 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

Examples of uric acid in a Sentence

Recent Examples on the Web

Gout is an inflammatory disorder in which the accumulation of uric acid crystals around a joint causes acute and often debilitating pain, mainly in the big toe. —Catherine Moyer, Verywell Health, 22 May 2025

The study found an association between tomato consumption and higher uric acid levels. —Lana Barhum, Verywell Health, 10 May 2025

Gout, the outlet explains, is when uric acid crystals form in a joint, most commonly the big toe. —Cara Lynn Shultz, People.com, 28 Apr. 2025

High uric acid levels in the blood can lead to gout. —Allison Herries, Verywell Health, 16 Apr. 2025

Word History

First Known Use

1800, in the meaning defined above

Rhymes for uric acid

• antacid
• placid

Kids Definition

uric acid

noun

: a white odorless nitrogen-containing acid that is present only in small quantities in the urine of mammals but is the chief form in which nitrogen is eliminated from the body especially of birds, reptiles, and insects

Medical Definition

uric acid

noun

: 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