barbituric-acid

barbituric acid

noun
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:
1865–70

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Collins
World English Dictionary
barbituric acid (ˌbɑːbɪˈtjʊərɪk)
 
n
Systematic name: 2,4,6-trioxypyrimidine, Also called: malonylurea a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3
 
[C19: partial translation of German Barbitursäure, perhaps from the name Barbara + uric + Säure acid]

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American Heritage
Medical Dictionary

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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