Function: noun
Date: 1873
: any of numerous acids that contain the SO 3 H group and may be derived from sulfuric acid by replacement of a hydroxyl group by either an inorganic anion or a monovalent organic group
SULFONIC ACID
Meaning of SULFONIC ACID in English
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012