The Collaborative International Dictionary of English v.0.48:
Stannic \Stan"nic\ (-n[i^]k), a. [L. stannum tin: cf. F.
Of or pertaining to tin; derived from or containing tin;
specifically, designating those compounds in which the
element has a higher valence as contrasted with stannous
(a) A hypothetical substance, Sn(OH)4, analogous to silicic
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
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.