barbituric acid Meaning, Definition & Usage

  1. noun a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs
    malonylurea.

WordNet


Bar`bi*tu"ric ac"id
Definitions
  1. (Chem.) A white, crystalline substance, , derived from alloxantin, also from malonic acid and urea, and regarded as a substituted urea.

Webster 1913