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allethrin

American

[al-uh-thrin] / ˈæl ə θrɪn /

noun

Chemistry.

a clear, amber, viscous liquid, C 19 H 26 O 3 , used as an insecticide.

allethrin British

/ æˈlɛθrɪn /

noun

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

"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

Etymology

Origin of allethrin

1945–50; all(yl) + (pyr)ethrin, equivalent to Pyrethr(um) name of a genus of composite plants + -in ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Thermacell Patio Shield Mosquito Repellent is a sleek-looking metal column that uses a fuel cartridge to expel a compound called allethrin, a synthetic form of a natural repellent found in chrysanthemum plants.

From Slate • Jul. 23, 2020

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023