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Related to barbituric acid: aspirin
bar·bi·tu·ric acid(bär′bĭ-to͝or′ĭk, -tyo͝or′-)
An acidic pyrimidine derivative, C4H4O3N2, used in the manufacture of barbiturates and some plastics.
[Partial translation of German Barbitursäure (coined by German chemist Adolf von Baeyer (1835-1917), purportedly after he discovered the compound on December 4, 1864, the feast of Saint Barbara, by combining malonic acid and urea) : Barbit- (irregularly derived from the name Barbara) + New Latin ūr(ea), urea; see urea + German Säure, acid.]
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.
(Elements & Compounds) a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3. Systematic name: 2,4,6-trioxypyrimidine Also called: malonylurea
[C19: partial translation of German Barbitursäure, perhaps from the name Barbara + uric + Säure acid]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bar′bitu′ric ac′id(ˈbɑr bɪˈtʊər ɪk, -ˈtyʊər-, ˌbɑr-)
a white, crystalline, slightly water-soluble powder, C4H4N2O3, used chiefly in the synthesis of barbiturates.
[1865–70; < French barbiturique < German Barbitur(säure) barbituric acid (of uncertain orig.) + -ique -ic]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||barbituric acid - a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs|
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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