permethrin

noun
per·​meth·​rin | \ (ˌ)pər-ˈme-thrən How to pronounce permethrin (audio) \

Definition of permethrin

: a synthetic pyrethroid C21H20Cl2O3 used especially as an insecticide

Examples of permethrin in a Sentence

Recent Examples on the Web

According to a statement from ExOfficio, home permethrin treatments are riskier due to chemical runoff and overuse, but that’s not the case with pretreated garments. Megan Michelson, Outside Online, "DEET Will Kill Your Gore-Tex Jacket," 11 June 2018 To fight back the swarms, the owner doused the sheep in a wash of the insecticide permethrin. Beth Mole, Ars Technica, "US invaded by savage tick that sucks animals dry, spawns without mating," 8 Aug. 2018 Spray insect repellent with deet or permethrin and wear long sleeves and pants to help protect your skin from these blood-drinking parasites. Caroline Picard, Good Housekeeping, "QUIZ: Can You Identify These Dangerous Summer Plants and Bugs?," 3 Aug. 2018 In 2016, Consumer Reports tested the efficacy of insect-repellent clothing from brands like L.L.Bean and ExOfficio, which are pretreated with the insecticide permethrin, an alternative to DEET that’s intended for use on clothing. Megan Michelson, Outside Online, "DEET Will Kill Your Gore-Tex Jacket," 11 June 2018 Use products that contain permethrin to treat clothing and gear, such as boots, pants, socks and tents. CBS News, "Latest death shines light on tick-borne disease Rocky Mountain spotted fever," 12 July 2018 According to the National Pesticide Information Center, permethrin is not known to cause cancer or affect hormone systems. Scott Dance, Washington Post, "Mosquitoes are at three times their normal number in Maryland this summer," 5 July 2018 According to the National Pesticide Information Center, permethrin is not known to cause cancer or affect hormone systems. Scott Dance, baltimoresun.com, "Dealing with more bug bites than usual? Mosquitos are at 3 times their normal number in Maryland this summer.," 5 July 2018 Don’t use any pyrethrin- or permethrin-containing products on cats. Patty Khuly, miamiherald, "Protect your dogs and cats from swarms of mosquitoes. Here's how to do it.," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'permethrin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of permethrin

1975, in the meaning defined above

History and Etymology for permethrin

per- + methyl + pyrethrin

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Dictionary Entries near permethrin

permeate

permeation

per mensem

permethrin

Permiak

Permian

per mill

Statistics for permethrin

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Time Traveler for permethrin

The first known use of permethrin was in 1975

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More Definitions for permethrin

permethrin

noun
per·​meth·​rin | \ pər-ˈmeth-rən How to pronounce permethrin (audio) \

Medical Definition of permethrin

: a synthetic pyrethroid pesticide C21H20Cl2O3 used especially against insects, ticks, and mites

More from Merriam-Webster on permethrin

Britannica.com: Encyclopedia article about permethrin

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