rotenone
/ˈrəʊtnəʊn/noun
mass noun
1- Chemistry a toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide【化】鱼藤酮。
1.1
- A polycyclic ketone; chem. formula: C23H22O6.多环酮; 化学分子式: C23H22O6。
词源
1920s: from Japanese rotenon (from roten 'derris') + -ONE.