单词	permethrin
释义	permethrin noun per·​meth·​rin (ˌ)pər-ˈme-thrən  : a synthetic pyrethroid C21H20Cl2O3 used especially as an insecticide Example Sentences Recent Examples on the Web Do not use permethrin products directly on skin, though. Hannah Kirby, Journal Sentinel, 30 Aug. 2022 Another great way to protect yourself is to treat your clothing, socks, and shoes with permethrin. Cindy Kuzma, SELF, 10 Aug. 2022 Most products are in the 20 to 30% range, which is safe for most users (though, more potent chemical like permethrin use much less). Ryan Wichelns, Popular Mechanics, 30 June 2022 Use a chemical repellent with DEET, permethrin or picaridin. Vanessa Etienne, PEOPLE.com, 13 June 2022 So can treating your clothing and other gear with products containing 0.5 percent permethrin. Bruce Y. Lee, Forbes, 9 June 2022 Wearing long sleeves and long pants tucked into socks can also help, as can spraying clothing and camping gear with products containing the insecticide permethrin. Aria Bendix, NBC News, 9 June 2022 While very determined skeeters are capable of biting through G-1000 Air Stretch, that’s easily remedied with a permethrin spray. Wes Siler, Outside Online, 4 July 2020 First, purchase an insect repellent containing permethrin. Emily Deletter, The Enquirer, 6 May 2022 See More Word History Etymology per- + methyl + pyrethrin First Known Use 1975, in the meaning defined above Medical Definition permethrin noun per·​meth·​rin pər-ˈmeth-rən  : a synthetic pyrethroid pesticide C21H20Cl2O3 used especially against insects, ticks, and mites
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