"Tannin" is a word in ENGLISH

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

A dry, brown, astringent extract, obtained by decoction and evaporation from the Acacia catechu, and several other plants growing in …

A small tree of tropical America (Caesalpinia coriaria), whose legumes contain a large proportion of tannic and gallic acid, and …

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

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 …

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

To convert (the skin of an animal) into leather, as by usual process of steeping it in an infusion of …

A salt of tannic acid.

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