Fum"ing, a.
Producing fumes, or vapors.
Cadet's fuming liquid Chem., alkarsin. -- Fuming liquor of Libsvius Old Chem., stannic chloride; the chloride of tin, SnCl4, forming a colorless, mobile liquid which fumes in the air. Mixed with water it solidifies to the so-called butter of tin. -- Fuming sulphuric acid. Chem. Same as Disulphuric acid, uder Disulphuric.
© Webster 1913.