solder

B2 · Upper Intermediate Technology Technical

v. to join two pieces of metal by melting a soft metal onto them.

v. to join or mend metal objects by applying a molten alloy with a lower melting point than the workpieces.

“You need to solder these two wires together to complete the circuit.”

“After cleaning the copper pipes, the plumber began to solder the joints to prevent any future leaks in the system.”

C1 · Advanced Literary

v. to join two things or people together very strongly, like they are one piece.

v. to unite or bond things or people closely and firmly as if by the use of solder.

“The shared experience of the war helped solder the two nations together.”

“Years of collaborative research had served to solder their professional relationship into a formidable partnership that dominated the field.”