chlorpyrifos
Americannoun
Etymology
Origin of chlorpyrifos
chlor- 2 + pyri(dine) + -fos, for phosphorus
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It is California’s first major pesticide phaseout since 2019, when regulators announced the state was ending virtually all uses of chlorpyrifos, a pesticide linked to neurological issues.
From Los Angeles Times ● Aug. 11, 2026
The results suggest that chlorpyrifos can damage critical nerve cells involved in movement and may play a direct role in the development of Parkinson's disease.
From Science Daily ● Jun. 28, 2026
The findings also suggest that people with known past exposure to chlorpyrifos may benefit from closer neurological monitoring, particularly as researchers continue to investigate the long-term effects of pesticide exposure on brain health.
From Science Daily ● Jun. 28, 2026
Mice were exposed to aerosolized chlorpyrifos for 11 weeks using inhalation methods designed to mimic the way people typically encounter the pesticide in the environment.
From Science Daily ● Jun. 28, 2026
Environmental Protection Agency banned chlorpyrifos for household use in 2001, it remains in use in agriculture for non-organic produce and grains.
From Science Daily ● Nov. 7, 2025
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
