- a white crystalline solid used in the preparation of barbiturate drugs. Formula: C4H4N2O3
WordReference Random House Unabridged Dictionary of American English © 2020
Chemistry, Drugsa white, crystalline, slightly water-soluble powder, C4H4N2O3, used chiefly in the synthesis of barbiturates. Also called malonylurea.
Collins Concise English Dictionary © HarperCollins Publishers::
barbituric acid /ˌbɑːbɪˈtjʊərɪk/ n
'barbituric acid' also found in these entries (note: many are not synonyms or translations):