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

Bennett said she was surprised to find detectable amounts of chlorpyrifos because farmers were supposed to have stopped applying the pesticide.

From Los Angeles Times

The EPA effectively banned another organophosphate pesticide, chlorpyrifos, in 2021, based in part on evidence linking it to ADHD, autism and reduced IQ in children.

From Salon

Currently, the EPA has a chance to improve regulations as it rewrites a ban on chlorpyrifos on food, which was overturned by a court on a technicality.

From Salon

Nevertheless, she sees hope in legislation that was enacted in California, which banned the insecticide chlorpyrifos starting in February 2020.

From Salon

In lab tests, water fleas taken from ponds surrounded by conventional farmland displayed higher resistance to a pesticide called chlorpyrifos that’s routinely employed in such farming.

From Scientific American