Sol"der , v. t. [imp. & p. p. Soldered (?);
p. pr. & vb. n.
Soldering.]
[Formerlysoder. See Solder, n.] 1. To unite (metallic surfaces or edges) by the intervention of a more fusible metal or metallic alloy applied when melted; to join by means
of metallic cement.
2. To mend; to patch up. "To solder up a broken cause." Hooker.
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.
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.
Hear it pronounced