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单词 pyrosilver
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pyrosilver
pyrosilver n. Obsolete metal that has been electroplated with silver and then heated, so that the silver sinks into minute cracks and pits in the metal and adheres more strongly; articles made of this material.
ΚΠ
1881 Encycl. Brit. XIII. 357/2Pyrosilver’ goods are prepared by heating the silvered steel whereby the silver sinks, as it were, into the metal; successive coatings are then applied and ‘burnt in’, until the sinkage ceases.
1883 Great Internat. Fisheries Exhib. Catal. 78 Neal's Patent Pyro-Silver Cutlery.
1885 Daily Gaz. (Fort Wayne, Indiana) 1 Dec. 7/2 A new material for table cutlery has come into vogue in England. It is called pyrosilver, looks like silver, and does not stain or retain flavours.
extracted from pyro-comb. form
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更新时间:2024/11/10 23:35:56