Definition of solder in English:

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Pronunciation: /ˈsəʊldə/
Pronunciation: /ˈsɒldə/


[mass noun]
A low-melting alloy, especially one based on lead and tin or (for higher temperatures) on brass or silver, used for joining less fusible metals: remove the fitting using a blowtorch to melt the solder [count noun]: the Roman silversmith did indeed use several different solders
More example sentences
  • In the past, copper pipes were joined with lead based solder which is currently banned from usage.
  • The key replacement for tin/lead solder is a tin/silver/copper alloy available exclusively from Japan.
  • The most important use of tin in the United States is the manufacture of solder, an alloy made of tin and lead.


[with object]
Join with solder: the wires to this clip are soldered to the circuit board (as adjective soldered) the soldered terminal joints
More example sentences
  • These joining methods may include welding, brazing, soldering, riveting, or bolting.
  • Applying the soldering iron to the wires where they are soldered to the Centronics connector and pulling gently should be enough to undo the wires from the unwanted connector.
  • Cut a small sliver of the silver solder for each joint to be soldered.



Example sentences
  • Beryllium-copper alloys are solderable with standard fluxes and, if care is taken to preserve the properties achieved by heat treatment can be joined by nominal brazing and many fusion welding processes.
  • Magnesium, titanium, zirconium, niobium, tantalum, molybdenum and tungsten may be soldered if they are plated with a solderable metal coating such as silver.
  • In yet another application, we supply a solderable surface finish for printed circuit boards.


Example sentences
  • This will reduce the demand for some welders, solderers, and brazers because many repetitive jobs are being automated.
  • He was employed between 1995 and 2004 as a solderer and was exposed to rosin based solder fumes during his career.
  • Welders and solderers also repair broken or cracked metal parts.


Middle English: from Old French soudure, from the verb souder, from Latin solidare 'fasten together', from solidus 'solid'.

Words that rhyme with solder


For editors and proofreaders

Line breaks: sol¦der

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