Definition of chlorpyrifos in English:

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Pronunciation: /klôrˈpirəˌfäs/

Entry from US English dictionary


A broad-spectrum organophosphate insecticide, widely used in food crop agriculture and against termites.
Example sentences
  • Insecticides used for seed treatments in crops include diazinon, lindane, imidacloprid, permethrin, chlorpyrifos, and tefluthrin.
  • These were followed by sharp restrictions on use of the organophosphate chlorpyrifos - the most commonly used pesticide in homes, buildings and schools - in June of 2000.
  • It measured the impact on fetal growth of two insecticides - chlorpyrifos and diazinon - whose use in households was banned by the federal government beginning in 2000.

For editors and proofreaders

Syllabification: chlor·pyr·i·fos

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