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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a white, crystalline compound, C23H22O6, obtained from derris and cube root: used as an insecticide.
[1920–25; roten- (said to be < Japanese) + -one]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||rotenone - a white crystalline insecticide that has low toxicity for mammals; is used in home gardens; extracted from the roots of derris and cube|
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