chlorpyrifos

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

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noun

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

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Origin of chlorpyrifos

chlor-² + pyri(dine) + -fos, for phosphorus

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

Examples from the Web for chlorpyrifos

Contemporary Examples

V. Rauh, et al. “Seven-Year Neurodevelopmental Scores and Prenatal Exposure to Chlorpyrifos.”
15 Signs You'll Raise a Genius
Anneli Rufus
October 24, 2011