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speculum metal
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noun
any of several bronze alloys with a high tin content, often containing other materials, as silver, brass, lead, zinc, or arsenic, used for making mirrors and reflectors.
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Also called speculum, speculum alloy.
Origin of speculum metal
First recorded in 1790–1800
Words nearby speculum metal
speculative fiction, speculative philosophy, speculator, speculum, speculum forceps, speculum metal, sped, Spee, speech, speech act, speech bulb
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use speculum metal in a sentence
British Dictionary definitions for speculum metal
speculum metal
noun
a white hard brittle corrosion-resistant alloy of copper (55–70 per cent) and tin with smaller amounts of other metals. It takes a high polish and is used for mirrors, lamp reflectors, ornamental ware, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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