Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several synthetic compounds similar to pyrethrin, used as an insecticide.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several synthetic insecticides having a structure based on pyrethrin

Etymologies

Sorry, no etymologies found.

Examples

  • WALTER REEVES, HORTICULTURIST: One general class of insecticides are called the pyrethroid chemicals, and they're generally ones that end in the name "thrin," like permethrin, hypermethrin, halomethrin (ph).

    CNN Transcript - Saturday Morning News: Government Bans Popular Pesticide Citing Health Risk to Children - June 10, 2000

  • Associated Press New findings from entomologists at Ohio State University, reported Wednesday online in PLoS One, show that bedbugs may have boosted their natural defenses by generating higher levels of enzymes that can cleanse themselves of common pyrethroid-based pesticides.

    Why Bedbugs Won't Die

  • It is a pyrethroid insecticide (the sythetic form of natural pryethrins found in Chrysanthemums).

    I live in the south and my job is haying.

  • For example, South Africa in 1995 switched from DDT to deltamethrine, a pyrethroid.

    Free the Fight Against Malaria

  • To wage war, I carefully applied a tiny bit of a synthetic pyrethroid dust inside crevices around my ceiling beams where no children or pets could reach — and where the bugs had left traces of activity.

    Death by Mint Oil: Natural Pesticides

  • According to the report, Bayer AG and BASF AG, as well as prominent Indian companies, were involved in a bid-rigging cartel involving about $33 million in procurements of a mosquito pesticide called pyrethroid.

    World Bank pursues fraud claims

  • According to the report, Bayer AG and BASF AG, as well as prominent Indian firms, were involved in a bid-rigging cartel involving about $33 million in procurements of a mosquito pesticide called pyrethroid.

    World Bank Probes Health-Fraud Claims

  • The government of India says it is also taking corrective action on the pyrethroid affair and other aspects of the voluminous report, which delves into national AIDS, malaria and tuberculosis control projects as well as the health system in the Indian state Orissa.

    World Bank May Punish Chemical Firms

  • Bayer, based in Leverkusen, Germany, and BASF, based in Ludwigshafen, Germany, said they have launched internal inquiries into allegations that their Indian subsidiaries participated in a bid-rigging cartel involving some $33 million in procurements of a mosquito pesticide called pyrethroid.

    World Bank May Punish Chemical Firms

  • Mozambique had a similar problem, with mosquitoes that were resistant to pyrethroid insecticides, the obvious answer was DDT, but Mozamique would not use DDT because officials said it would alienate international donors.

    National Geographic on malaria - The Panda's Thumb

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