sulfonic acid

noun Chemistry.

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.

Origin of sulfonic acid

First recorded in 1870–75

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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.

sulfonic acid in Science

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.