any of a large group of organic compounds of the structure RSO2OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
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Origin of sulfonic acid
First recorded in 1870–75
Words nearby sulfonic acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Medical definitions for sulfonic acid
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.
Scientific definitions for sulfonic acid
[ sŭl-fŏn′ĭk ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.