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

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

To create these structures, the team modified the chlorophyll molecule by attaching a barbituric acid unit via hydrogen bonding and further added tree-like molecular structures called "dendrons" to form stable rosette-like rings and control their hierarchical stacking.

From Science Daily

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

From Project Gutenberg

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