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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.
Origin of sulfonic acid
1870-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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sulfonic acid in Medicine

sulfonic acid n.
Any of several organic acids containing one or more sulfonic groups.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sulfonic acid in Science
sulfonic acid
Any of several acids containing the group SO3H 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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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