uric acid


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 My uric acid levels along with all other vitals were in the normal range. Philip Ellis, Men's Health, 6 May 2022 Gout is caused by deposits of uric acid crystals in various tissues of the body. Dr. Keith Roach, oregonlive, 16 Dec. 2021 Mammals excrete their nitrogenous waste as urea in pee, but birds excrete it as uric acid in a sticky white paste. David Treuer, Harper's Magazine, 26 Oct. 2021 Gout is a form of inflammatory arthritis caused by buildup of uric acid, which can erode bones. Katie Hunt, CNN, 23 Sep. 2021 This possible connection was first formally studied in 1950 when, after eating a can of tart or yellow cherries a day, 12 arthritis and gout sufferers displayed lower blood levels of uric acid. Jessie Shafer, Better Homes & Gardens, 19 May 2021 Around Christmas, my doctor ran a blood test that showed my uric acid was high. Dr. Keith Roach, oregonlive, 26 Apr. 2021 The uric acid cured the oil into what looked like linoleum. Craig Taylor, Curbed, 23 Mar. 2021 One chemical, conazolium A, looks like a pheromone that makes female worms swim in tight, tail-chasing circles before spewing their eggs; another is reminiscent of uric acid, which prompts males to eject gobs of sperm. Katherine J. Wu, The Atlantic, 12 Mar. 2021 See More

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.

First Known Use of uric acid

1800, in the meaning defined above

Learn More About uric acid

Time Traveler for uric acid

Time Traveler

The first known use of uric acid was in 1800

See more words from the same year

Dictionary Entries Near uric acid


uric acid


Statistics for uric acid

Last Updated

17 May 2022

Cite this Entry

“Uric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uric%20acid. Accessed 3 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for uric acid

uric acid


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


Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!