uric acid

noun

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

Examples of uric acid in a Sentence

Recent Examples on the Web Its modern name comes from the Latin gutta, a drop of fluid, a term first recorded in the 13th century by an English monk, suggesting that the body’s phlegm had overflowed and flooded the joint — not so far-off from the actual surfeit of uric acid. Ligaya Mishan, New York Times, "Once the Disease of Gluttonous Aristocrats, Gout Is Now Tormenting the Masses," 13 Nov. 2020 Probably to help conserve water, most birds put their excess nitrogen exclusively into uric acid, which is much less soluble than urea and so can be excreted as a semisolid paste along with wastes from the digestive tract. Harold Mcgee, Wired, "The History of Poop Is Really the History of Technology," 6 Nov. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The female’s is a spiral blob, ⅜-inch in diameter, more or less similar to a snail shell, and white on one end, the result of uric acid. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uric acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of uric acid

1800, in the meaning defined above

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The first known use of uric acid was in 1800

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Cite this Entry

“Uric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uric%20acid. Accessed 5 Mar. 2021.

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More Definitions for uric acid

uric acid

noun

Medical Definition of uric acid

: 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

More from Merriam-Webster on uric acid

Britannica.com: Encyclopedia article about uric acid

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