{Stannic acid}.
(a) A hypothetical substance, {Sn(OH)4}, analogous to silic
acid, and called also {normal stannic acid}.
(b) Metastannic acid.
{Stannic chloride}, a thin, colorless, fuming liquid,
{SnCl4}, used as a mordant in calico printing and dyeing;
-- formerly called {spirit of tin}, or {fuming liquor of
Libavius}.
{Stannic oxide}, tin oxide, {SnO2}, produced artificially as
a white amorphous powder, and occurring naturally in the
mineral cassiterite. It is used in the manufacture of
white enamels, and, under the name of {putty powder}, for
polishing glass, etc.