an oral medicine used to treat Type 2 diabetes. It blocks the enzymes that digest starches in food. The result is a slower and lower rise in blood glucose throughout the day, especially right after meals. Belongs to the class of medicines called alpha-glucosidase inhibitors. (Brand name: Precose) - See more at: http://www.diabetes.org/diabetes-basics/common-terms/#sthash.bIAIhlZA.dpuf