[klawr-pir-uh-fos, klohr-]


a broad-spectrum insecticide, C9H11Cl3NO3PS, used on lawns and ornamental plants.

Origin of chlorpyrifos Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chlorpyrifos

Contemporary Examples of chlorpyrifos

  • V. Rauh, et al. “Seven-Year Neurodevelopmental Scores and Prenatal Exposure to Chlorpyrifos.”

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