barbituric acidbar·bi·tu·ric acid
a white, odorless, crystalline acid, CHON, used in the manufacture of sedatives and hypnotics, in making dyes, and as a polymerization catalyst
Origin of barbituric acid; from German barbitursäure (; from Modern Latin Usnea barbata, literally , bearded moss + ursäure, a ureide of acid character ; from urea, urea + säure, acid) + -ic
An acidic pyrimidine derivative, C4H4O3N2, used in the manufacture of barbiturates and some plastics.
Origin of barbituric acidPartial translation of German Barbiturs&adie;ure : barb- (perhaps from the name Barbara) + -itur (ultimately from Ur(in), urine, from Latin &umacron;r&imacron;na; see urine) + S&adie;ure, acid.