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sulfonic acid
noun
, Chemistry.
- any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
sulfonic acid
/ sŭl-fŏn′ĭk /
- Any of several acids containing the group SO 3 H attached to an organic radical. Sulfonic acids and their salts are important in industry as catalysts in organic synthesis and in making sulfonamide drugs, detergents, and dyes.
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Word History and Origins
Origin of sulfonic acid1
First recorded in 1870–75
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