tolbutamide

noun

1. (countable, uncountable)A drug that blocks potassium channels, used in the treatment of diabetes.

   “The cryophilic phenotype of the atu mutant was alleviated to some extent by administering rotenone, a pharmacological inhibitor of oxidative phosphorylation, but not tolbutamide, a sulphonylurea that stimulates metabolic rate by raising the lymphatic concentration of glucose.”