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Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. 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 gall…

Of or pertaining to Great Britain; British; as, her Britannic Majesty.

Pertaining to, or derived from, the tannin of coffee. Caffetannic acid, a variety of tannin obtained from coffee berries, regarded as a glucoside.

Pertaining to the tannin or nutgalls. Gallotannic acid. See Tannic acid, under Tannic.

brown resinous substance resembling tannin, and extracted from the henna plant; as, hennotannic acid.

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.

Pertaining to, or designating, a variety of tannin or tannic acid found in Acacia, Mimosa, etc.

Pertaining to, or designating, a variety of tannic acid extracted from fustic (Maclura, formerly Morus, tinctoria) as a yellow crystalline substance; -- called also maclurin.

Pertaining to, or designating, a tannic acid found in oak bark and extracted as a yellowish brown amorphous substance.

mpounds in which the element has a higher valence as contrasted with stannous compounds. Stannic acid.

Of, pertaining to, or designating, a sulphacid of tin (more exactly called metasulphostannic acid), which is obtained as a dark brown amorphous substance, H

One of the tannic acids, extracted from catechu as a white, crystaline substance; -- called also catechuic acid, and catechuin.

echu, and several other plants growing in India. It contains a large portion of tannin or tannic acid, and is used in medicine and in the arts. It is also known by the names terra japonica, cutch, gambier, etc. Ure. Dunglison.

ee of tropical America (Cæsalpinia coriaria), whose legumes contain a large proportion of tannic and gallic acid, and are used by tanners and dyers.

ors. Cadet's fuming liquid (Chem.), alkarsin. -- Fuming liquor of Libsvius (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. -- Fuming sulphuric acid. (Chem.) Same as Disulphuric acid, ud…

ining to, or derived from, Krameria (rhatany); as, krameric acid, usually called ratanhia-tannic acid.

See Morintannic.

A salt of metastannic acid.

dison. Florentine mosaic. See under Florentine. -- Mosaic gold. (a) See Ormolu. -- (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder.…

marked redness of the eyeball. -- Pink salt (Chem. & Dyeing), the double chlorides of (stannic) tin and ammonium, formerly much used as a mordant for madder and cochineal. -- Pink saucer, a small saucer, the inner surface of which is covered with a pink pigment.