solder
🇺🇸
/ˈsɑːdər/
🇬🇧
/ˈsəʊldə(r)/
A substance used to join metal parts by melting it and attaching it to the parts.
We need to apply solder to connect these wires.
To join metal parts by melting a special substance called solder.
He soldered the broken pieces of the metal sculpture back together.