rotenone

noun

1. (countable, uncountable)A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.

   “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.”