1. Noun. An antidiabetic drug of the biguanide class. ¹
¹ Source: wiktionary.com
1. 1-butylbiguanide. An oral hypoglycaemic agent that inhibits gluconeogenesis, increases glycolysis, and decreases glucose oxidation. Pharmacological action: hypoglycaemic agents. Chemical name: Imidodicarbonimidic diamide, N-butyl- (12 Dec 1998)