from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A potent synthetic insecticide in the pyrethroid family.


Sorry, no etymologies found.


  • On the same day, the report said, nine cases of an insecticide fogger, Hot Shot Fogger, in which the active ingredients are tetramethrin and cypermethrin, were released in their home.

    NYT > Home Page

  • “It’s a pretty good bet it’s a safe product if it’s on that list,” says John Kepner with Beyond Pesticides, a not-for-profit group based in Washington, D.C. Today, the most commonly used synthetic residential insecticides fall into a broad category called pyrethroids — common names include permethrin, cypermethrin and tetramethrin — which are essentially juiced up, longer-lasting human-made versions of the natural chrysanthemum “pyrethrins” used in some natural products.

    Death by Mint Oil: Natural Pesticides


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