Definition of barbituric acid in English:

barbituric acid

Pronunciation /ˌbɑːbɪˌtʃʊərɪk ˈasɪd//ˌbɑːbɪˌtjʊərɪk ˈasɪd/


mass nounChemistry
  • A synthetic organic acid from which the barbiturates are derived.

    A cyclic derivative of urea and malonic acid; chemical formula: C₄H₄O₃N₂

    • ‘Galvan and Pitones used barbituric acid to cover up the smell of the drugs, a procedure that does not work, Piazza said.’
    • ‘Any other salts or derivatives of barbituric acid or compounds, preparations or mixtures thereof will be considered to be a put of this list.’
    • ‘The micro reaction tube assay will quantitate as little as 10 @mg of barbituric acid through interpolation with controls containing a known amount of analyte.’
    • ‘Major structural moieties including nitrogen containing heterocycles, such as barbituric acid, pyridine, and quinoline to name a few are incorporated into our products to direct biological activity.’
    • ‘Barbiturates are derived from barbituric acid, an alkaloid with nitrogen-containing rings.’


Mid 19th century: from French barbiturique, from German Barbitursäure, from the given name Barbara + Säure ‘acid’.


barbituric acid

/ˌbɑːbɪˌtʃʊərɪk ˈasɪd//ˌbɑːbɪˌtjʊərɪk ˈasɪd/