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

  • n. An insecticide, C10Cl12, used especially against ants.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The pesticide and fire retardant perchloropentacyclodecane that is a persistent, bioaccumulative, and toxic pollutant


Perhaps (pis)mir(e) + ex(terminate).
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).


  • The St. Lawrence is one of the most polluted waterways in North America, with high levels of mirex, PCBs, DDT, and its derivatives.

    Eastern Great Lakes lowland forests

  • ´┐Ż Consistent with the POPs agreement, which allows for some limited exemptions, Australia has lodged an exemption for mirex use.

    Australia to Sign Agreement to Reduce Toxic Pollution - Media release - Minister for Foreign Affairs

  • A chemical named mirex was used in some of their products and contaminated the soil and sediment along the two creeks.

    Salem News

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