'Barbituric acid' definitions:
Definition of 'barbituric acid'
(from WordNet)
noun
A white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs [syn: barbituric acid, malonylurea]
Definition of 'Barbituric acid'
From: GCIDE
- Barbituric acid \Bar`bi*tu"ric ac"id\ (Chem.) A white, crystalline substance, CH2(CO.NH)2.CO, derived from alloxantin, also from malonic acid and urea, and regarded as a substituted urea. [1913 Webster] Barbizon school