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uric acid

noun
1.
Biochemistry. a compound, C 5 H 4 N 4 O 3 , present in mammalian urine in small amounts, and the principal nitrogenous component of the excrement of reptiles and birds, that in the form of its salts occurs in the joints in gout and as the major constituent of kidney stones.
2.
Chemistry. a white, crystalline, odorless, tasteless, very slightly water-soluble powder form of this compound, obtained chiefly from urine or bird excrement or synthesized, used chiefly in organic synthesis.
Origin
1790-1800
1790-1800
Related forms
uric-acid, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for uricacid

uric acid

noun
1.
a white odourless tasteless crystalline product of protein metabolism, present in the blood and urine; 2,6,8-trihydroxypurine. Formula: C5H4N4O3
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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uricacid in Medicine

uric acid n.
A semisolid compound that is a nitrogenous end product of protein and purine metabolism and is a nitrogenous component of urine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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uricacid in Science
uric acid
  (yr'ĭk)   
The chief nitrogen-containing waste product excreted in the urine of birds, insects, and most reptiles. It is produced by the breakdown of amino acids in the liver. Uric acid is also produced in small quantities in humans by the breakdown of purines, and elevated levels in the blood can lead to gout. Chemical formula: C5H4N4O3.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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