: a mixture of metals (such as lead and tin) that is melted and used to join metal parts together
solders; soldered; soldering
: to join (something made of metal) to something else with solder
Wires are soldered onto the circuit board.
Cite this Entry
“Solder.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/solder. Accessed 6 May. 2026.
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