| alloy | <chemistry> A substance made from a mixture of a metal and one or more other metals or non-metallic elements. (09 Oct 1997) |
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| alloys | A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions. (12 Dec 1998) |
| Raney alloy | An alloy of Ni and Al in equal proportions, used in the preparation of Raney Nickel. (05 Mar 2000) |
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| gold alloy | An alloy whose principal ingredient is gold, usually contains copper or platinum and silver; used in dentistry for restorations requiring considerable strength. (05 Mar 2000) |
| silver-tin alloy | Any alloy of silver and tin; commonly 3 parts Ag and 1 part Sn, forming Ag3Sn, the chief intermetallic compound in dental amalgam. (05 Mar 2000) |
| eutectic alloy | An alloy, generally brittle and subject to tarnish and corrosion, with a fusion temperature lower than that of any of its components; used in dentistry mainly in solders. (05 Mar 2000) |