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)

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Other Words from organophosphate

organophosphate adjective

Examples of organophosphate in a Sentence

Recent Examples on the Web The most commonly used type of nerve agents are chemicals known as organophosphates. Jocelyn Kaiser, Science | AAAS, "Genetic modification could protect soldiers from chemical weapons," 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, "Chemical companies agree to end fight over pesticide ban," 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, "‘Sonic weapon’ used on diplomats in Cuba may have been pesticide, study finds," 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, "Tourist deaths in the Dominican Republic are sparking concern among travelers," 26 June 2019 Current scientific literature indicates that organophosphate poisoning can lead to respiratory failure in some cases. Stephie Grob Plante, Vox, "Tourist deaths in the Dominican Republic are sparking concern among travelers," 26 June 2019 According to medical records included in the lawsuit their family doctors suspected the couple had been exposed to organophosphates, chemicals often found in pesticides. Steve Helling,, "Colorado Couple Says They Became Violently Sick at Dominican Resort Where 3 Americans Died," 7 June 2019 About 3 million people worldwide are exposed to organophosphates every year, accounting for 300,000 deaths, the NCBI reports. Ashley Fantz, CNN, "Colorado couple: We were sickened at same Dominican Republic resort where 3 Americans died," 6 June 2019 The medical team realized that the pair were exhibiting symptoms typical of organophosphate poisoning — the substance used in pesticides and in nerve agents. William Booth, Washington Post, "How a Russian ex-spy was saved from one of the deadliest nerve agents ever made," 29 May 2018

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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Time Traveler for organophosphate

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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 5 Dec. 2020.

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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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