Fuming liquor of Libavius

Also found in: Wikipedia.
(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.

See also: Fuming

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.