Main Entry: ro·te·none

Pronunciation: \ˈrō-tə-ˌnōn\

Function: noun

Etymology: International Scientific Vocabulary, from Japanese roten derris plant

Date: 1924

: a crystalline insecticide C₂₃H₂₂O₆ obtained from the roots of several tropical plants (as a derris) that is highly toxic to fish but is of low toxicity to warm-blooded animals and is used especially in home gardens