sulfonic-acid

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:
1870–75

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Medical Dictionary

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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American Heritage
Science Dictionary
sulfonic acid   (sŭl-fŏn'ĭk)  Pronunciation Key 
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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