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
Words nearby sulfonic acid
sulfonamide,
sulfonate,
sulfonation,
sulfone,
sulfonic,
sulfonic acid,
sulfonium,
sulfonmethane,
sulfonyl,
sulfonylurea,
sulfosalicylic acid
Medical definitions for sulfonic acid
sulfonic acid
n.
Any of several organic acids containing one or more sulfonic groups.
Scientific definitions for sulfonic acid
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.