'Soft solder' definitions:
Definition of 'soft solder'
From: WordNet
noun
Solder that melts at a relatively low temperature
Definition of 'Soft solder'
From: GCIDE
- Solder \Sol"der\, n. [Formerly soder; F. soudure, OF. soudeure, fr. OF. & F. souder to solder, L. solidare to fasten, to make solid. See Solid, and cf. Sawder.] A metal or metallic alloy used when melted for uniting adjacent metallic edges or surfaces; a metallic cement. Hence, anything which unites or cements. [1913 Webster]
- Hard solder, a solder which fuses only at a red heat, as one composed of zinc and copper, or silver and copper, etc.
- Soft solder, a solder fusible at comparatively low temperatures; as, plumbers' solder, consisting of two parts lead and one part tin, is a soft solder. [1913 Webster]