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barbituric acid

American  

noun

  1. 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

  1. 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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From History of Phosphorus by Farber, Eduard

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.