urea

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Related to urea hydrogen peroxide: Calcium peroxide, Magnesium peroxide, Zinc peroxide

u·re·a

 (yo͝o-rē′ə)
n.
A water-soluble compound, CO(NH2)2, that is the major nitrogenous end product of protein metabolism and is the chief nitrogenous component of the urine in mammals and certain other animals. Also called carbamide.

[New Latin, from French urée, from urine, urine, from Old French, from Latin ūrīna; see urine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

urea

(ˈjʊərɪə)
n
(Biochemistry) a white water-soluble crystalline compound with a saline taste and often an odour of ammonia, produced by protein metabolism and excreted in urine. A synthetic form is used as a fertilizer, animal feed, and in the manufacture of synthetic resins. Formula: CO(NH2)2. Also called: carbamide
[C19: from New Latin, from French urée, from Greek ouron urine]
uˈreal, uˈreic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

u•re•a

(yʊˈri ə, ˈyʊər i ə)

n.
1. a compound, CO(NH2)2, occurring in urine and other body fluids as a product of protein metabolism.
2. a water-soluble powder form of this compound, used as a fertilizer, animal feed, in the synthesis of plastics, resins, and barbiturates, and in medicine as a diuretic.
[1800–10; < New Latin < French urée; ultimately < Greek oûron urine or oureîn to urinate; see uro-1]
u•re′al, u•re′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

u·re·a

(yo͝o-rē′ə)
The chief nitrogen-containing waste product excreted in the urine of mammals and some fish. It is produced by the breakdown of amino acids in the liver and is also made artificially for use in fertilizers and medicine.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

urea

The chief nitrogenous waste product excreted in urine.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.urea - the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
organic compound - any compound of carbon and another element or a radical
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
ureavirtsa-aine
尿素
요소

urea

[ˈjʊərɪə] Nurea f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

urea

nHarnstoff m, → Urea f (spec)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

urea

[ˈjʊərɪə] nurea
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

u·re·a

n. urea, producto del metabolismo de las proteínas, forma en la cual el nitrógeno se excreta por la orina;
hereditary ___ cycle abnormalityciclo ureico hereditario anormal.
English-Spanish Medical Dictionary © Farlex 2012

urea

n urea
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
In the practical exam, students were faced with three tasks: (i) an organic synthesis (oxidation of a Hantzsch ester with an environmentally-friendly oxidant (urea hydrogen peroxide)); (ii) determination of Fe (II) and Fe (III) concentrations by visual colometry; and (iii) polymer titration (with a blue to purple endpoint!).
(Grade of recommendation: B, based on head-to-head trials that lacked irrigation-only arms.) Treatment with 5% urea hydrogen peroxide in glycerol is most effective for facilitating cerumen removal between office visits, reducing the amount of irrigation needed.