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Catechu   Listen
Catechu

noun
1.
Extract of the heartwood of Acacia catechu used for dyeing and tanning and preserving fishnets and sails; formerly used medicinally.  Synonym: black catechu.
2.
East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu.  Synonyms: Acacia catechu, Jerusalem thorn.



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"Catechu" Quotes from Famous Books



... be the consequence. Also an unnatural lustre or peculiar bloom may in parts arise, ruining the appearance of the goods. In some cases the lime soaps act like mordants, attracting colouring matter unequally, and producing patchy effects. In the dye-baths in which catechu and tannin are used, there is a waste of these matters, for insoluble compounds are formed with the lime, and the catechu and tannin are, to a certain extent, precipitated and lost. Some colours are best developed in an acid bath, such as Cochineal Scarlet, but the ...
— The Chemistry of Hat Manufacturing - Lectures Delivered Before the Hat Manufacturers' Association • Watson Smith

... employed, some astringent or binding medicine will be required, as the subjoined:—Take of prepared chalk 2 drachms, cinnamon-water 7 oz., syrup of poppies 1 oz.; mix, and take 3 tablespoonfuls every four hours. Should this fail to complete the cure, 1/2 oz. of tincture of catechu, or of kino, may be added to it, and then it will seldom fail; or a teaspoonful of the tincture of kino alone, with a little water, every three hours, till the diarrhoea is checked. While any symptoms of derangement are present, particular attention must be paid to ...
— The Book of Household Management • Mrs. Isabella Beeton



Words linked to "Catechu" :   infusion, Acacia catechu, extract, genus Acacia, acacia



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