solder

UK: ˈsɒldə | US: ˈsɑːdər

Definition

  1. n. a fusible metal alloy used to join metal parts

  2. vt. to join or repair metal parts with solder

Structure
sol <solid>der <agent suffix>sol <solid>der <agent suffix>
Etymology

The word solder traces back to Latin solidare (to make solid), via Old French soudure. The spelling shifted to solder in Middle English, influenced by the Latin root solidus. The term reflects the alloy’s function of creating a solid bond between metals.

Examples

  1. The plumber used solder to fix the leaking pipe.

  2. This type of solder melts at a low temperature.

  3. She carefully soldered the broken circuit board.

  4. Lead-free solder is safer for environmental use.

  5. The joint was weak because the solder didn’t adhere properly.