chlorpyrifos

C3H4L1O1R1P3Y4R1I1F4O1S1

noun

A crystalline organophosphate insecticide that inhibits acetylcholinesterase.[diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-λ5-phosphane]

“"Chlorpyrifos is considered to be toxic to fish, crustaceans, and bees."”

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Meanings

nounchlorpyrifos (uncountable)
  1. uncountableA crystalline organophosphate insecticide that inhibits acetylcholinesterase.[diethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-λ5-phosphane]

    "Chlorpyrifos is considered to be toxic to fish, crustaceans, and bees."

    1 more example

    Five of these chemicals – naled, methamidophos, trichlorfon, chlorpyrifos and phorate – showed up in at least 10% of the cord blood samples.

    2017 June 9, Susan Scutti, “Study links mosquito spray to delayed motor skills in babies”, in CNN, archived from the original on 06 Oct 2022

Translations

Finnish klorpyrifossi
  • klorpyrifossiinsecticide
Cite this entry
APA

chlorpyrifos. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/chlorpyrifos

MLA

“chlorpyrifos.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/chlorpyrifos. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “chlorpyrifos,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/chlorpyrifos.

Source: chlorpyrifos on Wiktionary, CC BY-SA 4.0.