or·​gan·​o·​phos·​phate ˌȯr-gə-nō-ˈfäs-ˌfāt How to pronounce organophosphate (audio)
: an organophosphorus compound (such as a pesticide)
organophosphate adjective

Examples of organophosphate in a Sentence

Recent Examples on the Web Traditional farms may deploy toxic chemicals like organophosphates and organochlorines, while organic farms prefer to keep damaging bugs in check by encouraging the growth of their natural enemies, including particular beetles, spiders and birds. Karen Kaplan, Los Angeles Times, 21 Mar. 2024 The new analysis focuses on two groups of chemicals — organophosphates and some carbamates — that are commonly used in insecticides. Evan Bush, NBC News, 15 Nov. 2023 Many organophosphate pesticides are chemically similar enough to bind to the same modified receptor. WIRED, 30 Oct. 2023 Normally, mosquito control agencies use two pesticides to reduce adult mosquito populations: pyrethroids and organophosphates. Claire Gillespie, Health, 31 Mar. 2023 Both are organophosphates that are toxic to the human nervous system, especially children’s developing brains. Melissa Breyer, Treehugger, 15 Mar. 2023 Acephate, phosmet and malathion are organophosphates, which interfere with the normal function of the nervous system, according to the US Centers for Disease Control and Prevention. Sandee Lamotte, CNN, 15 Mar. 2023 Both had concerning concentrations of organophosphate insecticides. Melissa Breyer, Treehugger, 15 Mar. 2023 As the use of PBDEs waned, organophosphate flame retardants were on the rise. Alex Orlando, Discover Magazine, 25 Oct. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'organophosphate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of organophosphate was in 1945

Dictionary Entries Near organophosphate

Cite this Entry

“Organophosphate.” Dictionary, Merriam-Webster, Accessed 25 Jun. 2024.

Medical Definition


or·​gan·​o·​phos·​phate ȯr-ˌgan-ə-ˈfäs-ˌfāt How to pronounce organophosphate (audio)
: an organophosphorus compound
organophosphate adjective
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