Topic: INDUSTRY

Date: 1300-1400
Language: Old French
Origin: soudure, from souder 'to solder', from Latin solidare 'to make solid', from solidus; SOLID1

solder

1 noun
     
sol‧der1 [uncountable]
TI a soft metal, usually a mixture of lead and tin, which can be melted and used to join two metal surfaces, wires etc

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