rotenone
/ˈrəʊtənəʊn
/noun [mass noun] Chemistry
A toxic crystalline substance obtained from the roots of derris and related plants, widely used as an insecticide.
- A polycyclic ketone; chemical formula: C23H22O6.
- Use insecticidal soap sprays or rotenone to kill this pest.
- A hard spray of water will knock some bugs off the plants and a dusting of a non-toxic substance called rotenone shuts off their breathing mechanism.
Origin
1920s: from Japanese rotenon (from roten 'derris') + -one.
- subliterature
- sublittoral
- sublittorally
- sublobular
- Sub-Lt.
- subluminal
- subluminary
- subluminous
- sublunar
- sublunarean
- sublunarian
- sublunariness
- sublunary
- subluxate
- subluxation
- sub-machine gun
- submacroscopic
- sub-main
- subman
- submandibular
- submandibular gland
- submarginal
- submarginate
- submargined
- submarine