solder

1 of 2

noun

sol·​der ˈsä-dər How to pronounce solder (audio)
ˈsȯ-,
 British also  ˈsäl-də,
ˈsōl-
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

solder

2 of 2

verb

soldered; soldering ˈsä-d(ə-)riŋ How to pronounce solder (audio)
ˈsȯ-,
 British also  ˈsäl-,
ˈsōl-

transitive verb

1
: to unite or make whole by solder
2
: to bring into or restore to firm union
a friendship soldered by common interests

intransitive verb

1
: to use solder
2
: to become united or repaired by or as if by solder
solderability noun
solderer noun

Examples of solder in a Sentence

Verb Wires are soldered onto the circuit board.
Recent Examples on the Web
Noun
The latter stacks smaller chips on top of larger ones using what’s called hybrid bonding, which links copper pads on each chip directly without solder. IEEE Spectrum, 6 Dec. 2023 For both PlayStation and Xbox systems, dating back to the Xbox 360, replacing your disc drive requires either solder work to move a connected board over to the new drive or purchasing a licensed drive from Sony or Microsoft, when available. Kevin Purdy, Ars Technica, 7 Nov. 2023 These connections are typically small bumps of solder. IEEE Spectrum, 10 Nov. 2022 The base of these bottles and cups, manufactured by Green Sprouts, can come off and expose a solder dot that contains lead, posing a potential poison hazard to children, the commission said in a post dated Wednesday. April Rubin, BostonGlobe.com, 27 Nov. 2022 The chip is then flipped over so the solder lines up with corresponding pads on the chip’s package (or in our case onto another chip). Roel Baets, IEEE Spectrum, 8 Apr. 2023 The solder dot is supposed to be inaccessible under normal use, so this portion was not tested by a safety lab, the company said. April Rubin, BostonGlobe.com, 27 Nov. 2022 The department did provide schools with information about general mitigation methods that could be implemented, including installing devices that automatically flush water at regular intervals, permanently capping fixtures, and replacing fixtures, solder or pipes that contain lead. Emily Hoerner, Chicago Tribune, 7 May 2023
Verb
Other pipes are made of clay or iron but may have lead soldering between the joints. Ella Nilsen, CNN, 15 Oct. 2023 There is plenty of piercing and pecking and pricking in the witchcraft testimony, as there were plenty of knees soldered together and chests thrust skyward. Stacy Schiff, The New York Review of Books, 22 Dec. 2022 This primarily eliminates the need to solder in jumper wires, speeding up construction considerably. IEEE Spectrum, 27 July 2023 The winged woman is crafted in a vintage steel mold, with the atom soldered together from six pieces then affixed to the statuette, plated in four alloys including copper, nickel, silver and 24-carat gold. Lexy Perez, The Hollywood Reporter, 27 June 2023 Along with the skill itself, soldering is a comparatively inexpensive hobby to get into. Matt Crisara, Popular Mechanics, 4 Apr. 2023 Enter eSIMs, the newish standard that does away with the physical, removable SIM card and instead solders a tiny chip on the motherboard of your phone. Ron Amadeo, Ars Technica, 3 Mar. 2023 One of the easiest is to find a buddy that already knows how to solder. Matt Crisara, Popular Mechanics, 4 Apr. 2023 Running an iron hot makes things easier to solder, but also runs the risk of melting components. Matt Crisara, Popular Mechanics, 4 Apr. 2023 See More

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.

Word History

Etymology

Noun

Middle English soudure, from Anglo-French, from souder to solder, from Latin solidare to make solid, from solidus solid

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of solder was in the 14th century

Dictionary Entries Near solder

Cite this Entry

“Solder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solder. Accessed 9 Jan. 2024.

Kids Definition

solder

1 of 2 noun
sol·​der ˈsäd-ər How to pronounce solder (audio)
ˈsȯd-
: a metal or a mixture of metals (as of lead and tin) used when melted to join metallic surfaces

solder

2 of 2 verb
soldered; soldering -(ə-)riŋ How to pronounce solder (audio)
1
: to unite or repair with solder
2
: to become joined or renewed by or as if by the use of solder
solderer noun

More from Merriam-Webster on solder

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!