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单词 dung-bath
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dung-bath
dung-bath n. Dyeing Obsolete a mixture of dung (usually that of cattle) with water, used to remove superfluous mordant from printed fabric; (also) a solution of an inorganic salt used for this purpose.Not in the context of dyeing in quot. 1790; perhaps simply ‘a bath containing dung’.
ΚΠ
1790 W. Nicholson tr. A.-F. de Fourcroy Elements Nat. Hist. & Chem. (new ed.) I. 124 But some intermediate body is often put between the fire and the substance exposed to its action; hence the names balneum mariæ, sand-bath, cinder-bath, dung-bath, &c.
1836 Penny Cycl. VI. 153/2 The chalk occasionally added to the dung-bath serves to neutralize the acids as they are evolved from the mordants.
1884 J. Gardner Bleaching, Dyeing, & Calico-printing iii. 73 The dung-bath is a large trough filled with weak solutions of the arseniate or silicate of soda, or some other salt used as a dung substitute.
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更新时间:2025/1/24 11:39:09