sulfonylurea

n. (Medicine) any of several compounds which stimulate the pancreatic islet cells to produce insulin (used as a treatment for some forms of diabetes)

Sulfonylurea derivatives are a class of antidiabetic drugs that are used in the management of diabetes mellitus type 2 ("adult-onset"). They act by increasing insulin release from the beta cells in the pancreas.
See more at Wikipedia.org...

Sulfonylurea /sul·fo·nyl·urea/ any of a class of compounds that exert hypoglycemic activity by stimulating the islet tissue to secrete insulin; used [more]Sulfonylurea - Community and Resources

Noun
1. antidiabetic consisting of any of several drugs that reduce the level of glucose in the blood; used to treat diabetes mellitus
(hypernym) antidiabetic, antidiabetic drug
(hyponym) tolazamide, Tolinase

a class of oral medicine for type 2 diabetes that lowers blood glucose by helping the pancreas make more insulin and by helping the body better use the insulin it makes. (Generic names: acetohexamide, chlorpropamide, glimepiride, glipizide, glyburide, tolazamide, tolbutamide.)