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barbituric acid

noun
1.
a white, crystalline, slightly water-soluble powder, C 4 H 4 N 2 O 3 , used chiefly in the synthesis of barbiturates.
Also called malonylurea.
Origin of barbituric acid
1865-1870
First recorded in 1865-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for barbituric acid

barbituric acid

/ˌbɑːbɪˈtjʊərɪk/
noun
1.
a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3 Systematic name 2,4,6-trioxypyrimidine Also called malonylurea
Word Origin
C19: partial translation of German Barbitursäure, perhaps from the name Barbara + uric + Säure acid
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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barbituric acid in Medicine

barbituric acid bar·bi·tu·ric acid (bär'bĭ-tur'ĭk, -tyur'-)
n.
An organic acid used in the manufacture of barbiturates.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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