rotenone

[ roht-n-ohn ]

/ ˈroʊt nˌoʊn /

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

Words nearby rotenone

rotavirus, Rotblat, R.O.T.C., rote, rote learning, rotenone, ROTFL, rotgut, Roth, Rotherham, Rothermere

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for 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
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
The following discussion is based principally on collections made with rotenone in 1957, 1958 and 1959 (Table 12).
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

Softshells have pharyngeal respiration and probably are incapacitated by rotenone.
North American Recent Soft-shelled Turtles (Family Trionychidae)|Robert G. Webb

British Dictionary definitions for rotenone

rotenone

/ (ˈrəʊtɪˌnəʊn) /

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	rotenone
释义	rotenone [ roht-n-ohn ] / ˈroʊt nˌoʊn / 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 Words nearby rotenone rotavirus, Rotblat, R.O.T.C., rote, rote learning, rotenone, ROTFL, rotgut, Roth, Rotherham, Rothermere Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for 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 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 The following discussion is based principally on collections made with rotenone in 1957, 1958 and 1959 (Table 12). 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 Softshells have pharyngeal respiration and probably are incapacitated by rotenone. North American Recent Soft-shelled Turtles (Family Trionychidae)\|Robert G. Webb British Dictionary definitions for rotenone rotenone / (ˈrəʊtɪˌnəʊn) / 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 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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