| 单词 | speculum metal |
| 释义 | speculum metalnounany 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. Also called speculum, speculum alloy. Origin of speculum metalFirst recorded in 1790–1800 Words nearby speculum metalspeculative fiction, speculative philosophy, speculator, speculum, speculum forceps, speculum metal, sped, Spee, speech, speech act, speech bulb Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for speculum metal
British Dictionary definitions for speculum metalspeculum metal nouna 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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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