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Solder

From Biology-Online Dictionary | Biology-Online Dictionary
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solder

1. A fusible alloy used to unite edges or surfaces of two pieces of metal of higher melting point; hard solder's, usually containing gold or silver as their main constituent, are usually used in dentistry to connect noble metal alloys.

2. To join two pieces of metal with such an alloy.

Origin: L. Solido, to make solid, through Fr., various forms