from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any butyl ether
  • n. Any salt of a butyl alcohol


Sorry, no etymologies found.


  • Piperonyl butoxide (a chemical used with pyrethrin and similar pesticides to kill wasps, ants, fleas and ticks, lice and other pests) was found in 52% of homes.

    Dan Shapley: 8 Pesticides In Your Own Kitchen (Whether You Use Pesticides or Not)

  • · Formulation: increases stability but emulsifiers often also have synergistic or additive effects (e.g. sesame, soya or castor oil, piperonyl butoxide etc.).

    2. Survey of neem-processing methods

  • When applied with 100 ppm of synergist (either fenoxycarb or piperonyl butoxide), the resultant toxicity was improved by factors of 1. 5-2, and 4, respectively.

    Chapter 7

  • Often comes as a liquid solution containing pyrethrins and piperonyl butoxide.

    Chapter 31

  • In experiments in Virginia, for example, neem-seed extracts (at relatively low concentrations of 0.4 percent, 0.8 percent, and 1.2 percent) were tested in potato fields both with and without the synergist piperonyl butoxide

    5 Effects on Insects

  • Among these so-called "promoters" are sesame oil, pyrethrins (a type of insecticide mostly extracted from chrysanthemum flowers, see sidebar page 91), and piperonyl butoxide.

    4 What's in a Neem

  • On the first day, she applied a bedbug and flea insecticide, Hot Shot Bedbug and Flea Killer, with active ingredients pyrethrins and piperonyl butoxide, to her hair.

    NYT > Home Page

  • About two days later, insecticides were reapplied to the mattress, box springs and surrounding areas and nine cans of another fogger, Hot Shot Bedbug and Flea Fogger, in which the active ingredients were pyrethrins, piperonyl butoxide, MGK 264 and pyriproxyfen, were released into the home.

    NYT > Home Page

  • REFRAIN Might as well face it, it's resistant to base. (x5) Your potassium t-butoxide And ammonium hydroxide Your KOH and hydrazine Push the pH beyond eighteen REFRAIN - Articles related to 'Invest in research in agriculture to tackle food insecurity'

  • Recommended non perscription option: A lice-killing lotion containing 1% permethrin or a mousse containing pyrethrins and piperonyl butoxide can be used to treat pubic ( "crab") lice.

    eHow - Health How To's


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