a. [ L. Britannicus, fr. Britannia Great Britain. ] Of or pertaining to Great Britain; British; as, her Britannic Majesty. [ 1913 Webster ]

a. [ Caffeic + tannic. ] (Chem.) Pertaining to, or derived from, the tannin of coffee. [ 1913 Webster ]

Caffetannic acid, a variety of tannin obtained from coffee berries, regarded as a glucoside. [ 1913 Webster ]

a. [ Gall nutgall + tannic. ] (Chem.) Pertaining to the tannin or nutgalls. [ 1913 Webster ]

Gallotannic acid. See Tannic acid, under Tannic. [ 1913 Webster ]

a. [ Henna + tannic. ] (Chem.) Pertaining to, or designating, a brown resinous substance resembling tannin, and extracted from the henna plant; as, hennotannic acid.

a. (Chem.) Pertaining to, or designating, a compound of tin (metastannic acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous substance. [ 1913 Webster ]

a. [ Mimosa + tannic. ] (Chem.) Pertaining to, or designating, a variety of tannin or tannic acid found in Acacia, Mimosa, etc. [ 1913 Webster ]

a. [ NL. Morus fustic + E. tannic. ] (Chem.) Pertaining to, or designating, a variety of tannic acid extracted from fustic (Chlorophora tinctoria, formerly Maclura tinctoria and Morus tinctoria) as a yellow crystalline substance; -- called also maclurin. [ 1913 Webster ]

a. [ L. quercus an oak + E. tannic. ] (Chem.) Pertaining to, or designating, a tannic acid found in oak bark and extracted as a yellowish brown amorphous substance. [ 1913 Webster ]

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. [ 1913 Webster ]

Stannic acid. (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 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. [ 1913 Webster ]

a. (Chem.) Of, pertaining to, or designating, a sulphacid of tin (more exactly called metasulphostannic acid), which is obtained as a dark brown amorphous substance, H&unr_;SnS&unr_;, forming a well-known series of salts. [ 1913 Webster ]

a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. [ 1913 Webster ]

Tannic acid. (Chem.) (a) An acid obtained from nutgalls as a yellow amorphous substance, C14H10O9, having an astringent taste, and forming with ferric salts a bluish-black compound, which is the basis of common ink. Called also tannin, and gallotannic acid. (b) By extension, any one of a series of astringent substances resembling tannin proper, widely diffused through the vegetable kingdom, as in oak bark, willow, catechu, tea, coffee, etc. [ 1913 Webster ]