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spec'ulum met"al




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. Also called speculum, spec'ulum al"loy.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

speculumsped

 

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