organophosphorus

adjective
or·​gan·​o·​phos·​pho·​rus | \ ˌȯr-gə-nō-ˈfäs-f(ə-)rəs How to pronounce organophosphorus (audio) , ȯr-ˌga-nō- \
variants: or less commonly organophosphorous \ ˌȯr-​gə-​nō-​fäs-​ˈfȯr-​əs How to pronounce organophosphorus (audio) , ȯr-​ˌga-​nō-​ \

Definition of organophosphorus

: of, relating to, or being a phosphorus-containing organic compound and especially a pesticide (such as malathion) that acts by inhibiting cholinesterase

Other Words from organophosphorus

organophosphorus noun

Examples of organophosphorus in a Sentence

Recent Examples on the Web Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018 Sergei Skripal was poisoned with one of a class of nerve agents known as Novichok agents and chemically described as organophosphorus compounds. Vera Thoss, Washington Post, 24 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'organophosphorus.' 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 organophosphorus

1950, in the meaning defined above

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The first known use of organophosphorus was in 1950

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Dictionary Entries Near organophosphorus

organophosphate

organophosphorus

organophyly

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Cite this Entry

“Organophosphorus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/organophosphorus. Accessed 23 Jan. 2022.

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More Definitions for organophosphorus

organophosphorus

adjective
or·​gan·​o·​phos·​pho·​rus | \ -ˈfäs-f(ə-)rəs How to pronounce organophosphorus (audio) \
variants: also organophosphorous \ -​fäs-​ˈfōr-​əs, -​ˈfȯr-​ How to pronounce organophosphorus (audio) \

Medical Definition of organophosphorus

: of, relating to, or being a phosphorus-containing organic pesticide (as malathion) that acts by inhibiting cholinesterase

Other Words from organophosphorus

organophosphorus noun

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