From Longman Dictionary of Contemporary Englishsoldersol‧der1 /ˈsɒldə, ˈsəʊl- $ ˈsɑːdər/ noun [uncountable] TIa soft metal, usually a mixture of lead and tin, which can be melted and used to join two metal surfaces, wires etc
Examples from the Corpus
solder• I loved the metallic smell of solder as it dripped in small puddles, hardening on the workbench before me.• This means there will be some exchange between the solder and the metal which will alter the composition of both.• The main difference between the two is the melting point of the solder.soldersolder2 verb [transitive + onto/together] TIto join or repair metal surfaces with solder→ See Verb tableExamples from the Corpus
solder• The remainder of the components may now be soldered into place in any convenient order.• These unique circuits contain semiconductor devices as well as other discrete electronic components soldered on a thin alumina substrate.• At each side is a loop or scroll handle that had been soldered to the convex sides.• Again we have the standard format of the lower tray having been soldered to the upper shell.Origin solder1 (1300-1400) Old French soudure, from souder “to solder”, from Latin solidare “to make solid”, from solidus; → SOLID1