barbituric acid

American

noun

a white, crystalline, slightly water-soluble powder, C 4 H 4 N 2 O 3 , used chiefly in the synthesis of barbiturates.

barbituric acid British

/ ˌbɑːbɪˈtjʊərɪk /

noun

Systematic name: 2,4,6-trioxypyrimidine. Also called: malonylurea. a white crystalline solid used in the preparation of barbiturate drugs. Formula: C 4 H 4 N 2 O 3

"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

Etymology

Origin of barbituric acid

First recorded in 1865–70

Example Sentences

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barbituric acid

Out of Adolf Baeyer’s work on barbituric acid came the knowledge of pyrimidine and its derivatives.

From History of Phosphorus by Eduard Farber

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023