ロテノンMeanings1nounrotenoneA naturally occurring insecticide and piscicide derived from the roots of certain tropical plants. Used in agriculture and fisheries management.ロテノンは天てん然ねん由ゆ来らいの殺さっ虫ちゅう剤ざいとして知しられている。Rotenone is known as a naturally derived insecticide.