Wiktionary
fuming sulfuric acid
alt. (context inorganic compound English) Any solution of sulfur trioxide in sulfuric acid; it contains pyrosulfuric acid, and is used in the manufacture of nitroglycerine etc. n. (context inorganic compound English) Any solution of sulfur trioxide in sulfuric acid; it contains pyrosulfuric acid, and is used in the manufacture of nitroglycerine etc.
Wikipedia
Fuming sulfuric acid
- redirect Oleum