Stannic \Stan"nic\, a. [L. stannum tin: cf. F. stannique.]
(Chem.)
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
compounds.
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.
Source: Webster's Revised Unabridged Dictionary (1913)
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