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Entry 3 senses · 2 variants Webster, 1913

Solder

/sŏdʹər/ · Sol·der · IPA /ˈsɑd.ɚ/
01 n. A metal or metallic alloy used when melted for uniting adjacent metallic edges or surfaces; a metallic cement.
  1. 1.
    A metal or metallic alloy used when melted for uniting adjacent metallic edges or surfaces; a metallic cement.
Phrases & compounds
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.
02 v. t. To unite (metallic surfaces or edges) by the intervention of a more fusible metal or metallic alloy applied when melted; to join by means o…
imp. & p. p. Soldered; p. pr. & vb. n. Soldering
  1. 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. 2.
    To mend; to patch up.