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allethrin

[al-uh-thrin] /ˈæl ə θrɪn/
noun, Chemistry.
1.
a clear, amber, viscous liquid, C 19 H 26 O 3 , used as an insecticide.
Origin of allethrin
1945-1950
1945-50; all(yl) + (pyr)ethrin, equivalent to Pyrethr(um) name of a genus of composite plants + -in2
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for allethrin

allethrin

/æˈlɛθrɪn/
noun
1.
a clear viscous amber-coloured liquid used as an insecticide and synergist. Formula: C19H26O3; relative density: 1.005
Word Origin
C20: from all(yl) + (pyr)ethrin
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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