Found 2 items, similar to soft solder.
English → English (WordNet) Definition: soft solder soft solder n : solder that melts at a relatively low temperature
English → English (gcide) Definition: Soft solder 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]