Dictionary.com
definitions
  • synonyms

allethrin

[al-uh-thrin]
See more synonyms for allethrin on Thesaurus.com
noun Chemistry.
  1. a clear, amber, viscous liquid, C19H26O3, used as an insecticide.
Show More

Origin of allethrin

1945–50; all(yl) + (pyr)ethrin, equivalent to Pyrethr(um) name of a genus of composite plants + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for allethrin

allethrin

noun
  1. a clear viscous amber-coloured liquid used as an insecticide and synergist. Formula: C 19 H 26 O 3; relative density: 1.005
Show More

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