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单词	sulfonate
释义	sulfonate 1 of 2 noun sul·​fo·​nate ˈsəl-fə-ˌnāt  : a salt or ester of a sulfonic acid sulfonate 2 of 2 verb sulfonated; sulfonating transitive verb : to introduce the SO3H group into broadly : to treat (an organic substance) with sulfuric acid sulfonation ˌsəl-fə-ˈnā-shən  noun Example Sentences Recent Examples on the Web Noun The tests showed that the foam contained perfluorooctane sulfonate, also known as PFOS, and three other compounds. From Usa Today Network And Wire Reports, USA TODAY, 30 July 2021 Since the early 2000s, chemical companies have agreed to phase out two common forms of the chemicals, perfluorooctanoic acid and perfluorooctane sulfonate, or PFOA and PFOS. Kris Maher, WSJ, 4 Feb. 2020 The chemicals found – perfluorooctane sulfonate and perfluorooctanoic acid – are in firefighting foam and implicated in some types of cancer and thyroid effects, school officials said, pointing to several scientific studies. Martin E. Comas, OrlandoSentinel.com, 3 July 2018 The police department determined that the chemical was a sulfonate solution that originated from the Calumet-Penreco plant upstream. Nick Powell, Houston Chronicle, 22 Jan. 2018 Alabama contaminants The main contaminants in Alabama are: MercuryPolychlorinated biphenyls (PCBs)Perfluoralkyl sulfonate (PFOSWhat is mercury? Leada Gore, AL.com, 11 July 2017 Word History First Known Use Noun 1876, in the meaning defined above Verb 1882, in the meaning defined above Medical Definition sulfonate 1 of 2 noun sul·​fo·​nate variants or chiefly British sulphonate ˈsəl-fə-ˌnāt  : a salt or ester of a sulfonic acid sulfonate 2 of 2 transitive verb variants or chiefly British sulphonate sulfonated or chiefly British sulphonated; sulfonating or chiefly British sulphonating : to introduce the SO3H group into broadly : to treat (an organic substance) with sulfuric acid
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