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more about catechu
catechu |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Catechu \Cat"e*chu\, n. [See {Cashoo}.] (Chem.) A dry, brown, astringent extract, obtained by decoction and evaporation from the {Acacia catechu}, 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. From WordNet r 1.6 [wn]: catechu n 1: extract of the heartwood of Acacia catechu used for dying and tanning and preserving fishnets and sails; formerly used medicinally [syn: {black catechu}] 2: East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu [syn: {Jerusalem thorn}, {Acacia catechu}]
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