soft solder

noun

1. a solder fusible at temperatures below 700°F (370°C), generally an alloy of lead and tin.

Word History and Origins

Origin of soft solder¹

First recorded in 1835–45

Example Sentences

The pieces at each end of the sole are of cast-brass, instead of sheet-copper, with soft-solder joints, which are very apt to give way.

From Project Gutenberg