uric, a. Chem.
(ˈjʊərɪk)
Also 8–9 ouric.
[a. F. urique, f. ur-ine urine n.1: see -ic 1 b.]
1. uric oxide: (see quot. 1860).
| 1797 Pearson in Phil. Trans. LXXXVIII. 37 It will be necessary to give a name to this urinary animal oxide... I trust that philological critics will find the name ouric or uric oxide perfectly appropriate. 1803 Fessenden Poet. Petition 12 Such a man..May view this uric oxyd's basis, And tell exactly what the case is. 1844 Lancet 19 Oct. 129/1 It is clear that uric oxide differs from uric acid simply in containing two atoms less of oxygen. 1860 Mayne Expos. Lex. 1314 Uric Oxide{ddd}a substance constituting a very rare ingredient in vesical calculi, and otherwise termed urous oxide, and xanthic oxide. |
2. uric acid, a crystallizable acid, C
5H
4N
4O
3, found in the urine of man, certain animals, reptiles, and birds, being produced in the metabolism of nitrogenous bodies, and excreted by the kidneys.
| 1800 tr. Lagrange's Chem. II. 404 To separate the uric acid from the latter salts. 1803– [see lithic a. 1]. 1826 Henry Elem. Chem. II. 467 It is in those organs..that a new acid, the uric, is generated. 1872 Huxley Physiol. v. 106 Urea and uric acid are both composed of the elements carbon, hydrogen, oxygen, and nitrogen. |
| ellipt. (and attrib.). 1822 Good Study Med. IV. 508 The uric calculi..are of a yellowish or reddish-brown colour. 1846 G. E. Day tr. Simon's Anim. Chem. II. 460 One minute calculus passed at the same time with others of pure uric, had a nucleus of oxalate of lime. |
b. attrib. and
Comb., as
uric acid calculus,
uric acid diathesis,
uric acid-excreting,
uric acid excretion,
uric acid gravel, etc.
| 1819 Rees' Cycl. XXXVII. 3 X/2 Lithic or Uric Acid Calculus. 1843 Penny Cycl. XXVI. 52/1 Uric Acid Crystals. 1845 Encycl. Metrop. VII. 552 A gouty or rheumatic state of the constitution, or uric acid diathesis. 1864 Garrod Mat. Med. (ed. 2) 108 In cases of uric acid gravel. 1866 Odling Anim. Chem. 128 The uric acid group of compounds. 1880 Encycl. Brit. XI. 7/2 The uric-acid-excreting function of the kidneys. |
c. uric-acidæmia,
= uricæmia;
uric-acidity, the condition of containing an excess of uric acid.
| 1893 Brit. Med. Jrnl. Suppl. 26 Aug. 33 Nervous conditions depending upon *uric acidæmia. 1897 Lancet 15 May 1338/2 Symptoms..which would seem to depend upon uricacidæmia. |
| 1893 A. S. Eccles Sciatica 30 The *uric-acidity of the blood and tissues. |