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. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012