derris
/ˈderɪs/noun
1
- mass noun an insecticide made from the powdered roots of certain tropical plants, containing rotenone鱼藤酮杀虫剂。
- ORIGIN: late 19th cent.: originally used in Malaya to stupefy fish
2
- a woody climbing plant of the pea family, which bears leathery pods and has tuberous roots from which this insecticide is obtained鱼藤。
- ORIGIN: modern Latin, from Greek, 'leather covering' (referring to its pod).
2.1
- Genus Derris, family Leguminosae.鱼藤属, 豆科。