or·​gan·​o·​phos·​phate | \ ˌȯr-gə-nō-ˈfäs-ˌfāt How to pronounce organophosphate (audio) , ȯr-ˌga-nō- \

Definition of organophosphate

: an organophosphorus compound (such as a pesticide)

Other Words from organophosphate

organophosphate adjective

Examples of organophosphate in a Sentence

Recent Examples on the Web Some require as little as 6 grams per hectare, compared with several kilograms of the older organophosphate and carbonate pesticides. Erik Stokstad, Science | AAAS, 1 Apr. 2021 Primarily, the concern has to do with organophosphate insecticides that the EWG says can impact children's cognitive development, and has been largely banned overseas. Zee Krstic, Good Housekeeping, 17 Mar. 2021 To kill adult mosquitoes, the district uses an organophosphate insecticide called Dibrom, applying less than a fluid ounce per acre, far below what the Environmental Protection Agency has deemed safe, Faraji explained. Brian Maffly, The Salt Lake Tribune, 8 Mar. 2021 The most commonly used type of nerve agents are chemicals known as organophosphates. Jocelyn Kaiser, Science | AAAS, 22 Jan. 2020 California is the biggest user of the organophosphate compound, spreading 900,000 pounds of it on almonds, grapes, citrus, alfalfa, stone fruit, cotton and other crops in 2017, according to state data. Geoffrey Mohan, Los Angeles Times, 9 Oct. 2019 Toxicology reports of the Canadian victims confirmed the presence of pyrethroid and organophosphate - two agents commonly found in fumigation products. Barnini Chakraborty, Fox News, 20 Sep. 2019 Back home in Denver, their doctors wondered whether they’d been exposed to organophosphates — chemicals most often used in pesticides. Stephie Grob Plante, Vox, 26 June 2019 Current scientific literature indicates that organophosphate poisoning can lead to respiratory failure in some cases. Stephie Grob Plante, Vox, 26 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'organophosphate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of organophosphate

1945, in the meaning defined above

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The first known use of organophosphate was in 1945

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Cite this Entry

“Organophosphate.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2022.

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More Definitions for organophosphate


or·​gan·​o·​phos·​phate | \ ȯr-ˌgan-ə-ˈfäs-ˌfāt How to pronounce organophosphate (audio) \

Medical Definition of organophosphate

: an organophosphorus compound

Other Words from organophosphate

organophosphate adjective


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