chlorpyrifos

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

noun

1. a broad-spectrum insecticide, C 9 H 11 Cl 3 NO 3 PS, used on lawns and ornamental plants.

Word History and Origins

Origin of chlorpyrifos¹

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

Example Sentences

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

From The Daily Beast