allethrin

noun

al·​le·​thrin ˈa-lə-thrən How to pronounce allethrin (audio)
: a light yellow viscous oily synthetic pyrethroid insecticide C19H26O3 used especially in household aerosols

Examples of allethrin in a Sentence

Recent Examples on the Web Some mosquito repellent devices use replaceable butane cartridges, which provide about 12 hours of allethrin-diffusing power a pop. John Sass, Field & Stream, 11 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'allethrin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

allyl + pyrethrin

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of allethrin was in 1950

Dictionary Entries Near allethrin

Cite this Entry

“Allethrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allethrin. Accessed 3 Mar. 2024.

Medical Definition

allethrin

noun
al·​le·​thrin ˈal-ə-thrən How to pronounce allethrin (audio)
: a light yellow viscous oily synthetic insecticide C19H26O3 used especially in household aerosols
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