Liberal Dictionary English Dictionary
rotenone [roht-n-ohn] ExamplesWord Origin noun Chemistry, Pharmacology.
- a white, crystalline, water-insoluble, poisonous heterocyclic compound, C23H22O6, obtained from derris root: used chiefly as the active ingredient of certain insecticides and in medicine in the treatment of chiggers and scabies.
Origin of rotenone 1920–25; roten- (said to be Japanese) + -one Examples from the Web for rotenone Historical Examples of rotenone
Rotenone was used in a few small pools in efforts to capture complete populations.
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James Everett Deacon
Rotenone acts more slowly than cyanide, allowing more of the distressed fish to rise to the surface.
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James Everett Deacon
Tables 12-16 list all fish obtained at the upper Neosho station by means of the shocker, seines, and rotenone.
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James Everett Deacon
In all three years of the study, large samples were obtained by means of rotenone in the same pool at the upper Neosho station.
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James Everett Deacon
In 1958 and 1959 rotenone was applied to the upper end of a pool and mixed by agitating the water.
Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas
James Everett Deacon
British Dictionary definitions for rotenone rotenone noun
- a white odourless crystalline substance extracted from the roots of derris: a powerful insecticide. Formula: C 23 H 22 O 6; relative density: 1.27; melting pt: 163°C
Word Origin for rotenone C20: from Japanese rōten derris + -one