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Related to rotenone: pyrethrin
A very toxic white crystalline compound, C23H22O6, extracted from the roots of various plants, especially those of the genera Derris, Paraderris, and Lonchocarpus in the pea family, and used as an insecticide.
[Japanese rōten, plant of the genus Derris from which rotenone was isolated + -one.]
(Elements & Compounds) a white odourless crystalline substance extracted from the roots of derris: a powerful insecticide. Formula: C23H22O6; relative density: 1.27; melting pt: 163°C
[C20: from Japanese rōten derris + -one]
a white, crystalline compound, C23H22O6, obtained from derris and cube root: used as an insecticide.
[1920–25; roten- (said to be < Japanese) + -one]