1
: a metal or metallic alloy used when melted to join metallic surfaces
especially
: an alloy of lead and tin so used
2
: something that unites
soldered; soldering
ˈsä-d(ə-)riŋ 
ˈsȯ-,
British also ˈsäl-,
ˈsōl-
1
: to unite or make whole by solder
2
: to bring into or restore to firm union
a friendship soldered by common interests
Examples of solder in a Sentence
Verb
Wires are soldered onto the circuit board.
Recent Examples on the Web
Mary Walrath-Holdridge, The Courier-Journal, 12 June 2024
Current techniques dissolve the silver in nitric acid and use other acids to handle a silicon nitride layer in the panel, as well as some of the minor materials, like solder.
—John Timmer, Ars Technica, 4 June 2024
IEEE Spectrum, 17 June 2024
Initial solutions were crude, with soldiers soldering metal lugs onto their pocket watches in order to hold leather bands.
—Oren Hartov, Robb Report, 13 June 2024
See all Example Sentences for solder 
Noun
While no longer present in paint and gasoline state-side, lead is still used in batteries, solder, pipes, pottery, roofing materials and some cosmetics, according to the Mayo Clinic.
—Mary Walrath-Holdridge, The Courier-Journal, 12 June 2024
Current techniques dissolve the silver in nitric acid and use other acids to handle a silicon nitride layer in the panel, as well as some of the minor materials, like solder.
—John Timmer, Ars Technica, 4 June 2024
Verb
Silver conductors are screen printed onto the wafer surface, and copper conductors are soldered onto the array in a grid pattern.
—IEEE Spectrum, 17 June 2024
Initial solutions were crude, with soldiers soldering metal lugs onto their pocket watches in order to hold leather bands.
—Oren Hartov, Robb Report, 13 June 2024
See all Example Sentences for solder
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'solder.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Solder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solder. Accessed 2 Jul. 2024.
Copy CitationKids Definition
solder
1 of 2 noun
sol·der
ˈsäd-ər
ˈsȯd-
: a metal or a mixture of metals (as of lead and tin) used when melted to join metallic surfaces
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