Meaning of DIAZOSULFONIC ACID in English

“+...- noun

Etymology: diaz- + sulfonic

: any of a class of aromatic acids that contain a diazo group united with a sulfonic acid group, have the general formula ArN = NSO 3 H, and are obtained in the form of salts by treating a diazonium salt with a sulfite

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.