rotenone

== English == === Etymology === From Japanese ローテン (rōten) +‎ -one (“ketone”), from Hokkien 蘆藤 / 芦藤 (lôo-tîn, “Derris elliptica”). === Pronunciation === === Noun === rotenone (countable and uncountable, plural rotenones) (chemistry) A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide. ==== Synonyms ==== nicouline (dated) ==== Derived terms ==== === References === “rotenone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.