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chlorpyrifos

[klawr-pir-uh-fos, klohr-]
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noun
  1. a broad-spectrum insecticide, C9H11Cl3NO3PS, used on lawns and ornamental plants.
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Origin of chlorpyrifos

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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