Solder Definition

sŏdər
soldered, soldering, solders
noun
A metal alloy that is heated and used to join or patch metal parts or surfaces: soft solders of tin-lead alloys melt easily; hard (or brazing) soldershard soldersbrazing solders of copper-zinc alloys melt only at red heat.
Webster's New World
Anything that joins or fuses; bond.
Webster's New World
verb
To join, patch, etc. with solder.
Webster's New World
To unite or repair (parts, for example) with solder.
American Heritage
To act as a bond between; unite.
Webster's New World
To become joined or united as by solder.
Webster's New World
To join things with solder.
Webster's New World

Other Word Forms of Solder

Noun

Singular:
solder
Plural:
solders

Origin of Solder

  • Middle English soudur from Old French soudure, soldure from souder, soulder to solder from Latin solidāre to make solid from solidus solid solid

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English solderen, from Old French solder (Modern French souder) from Latin solidāre, present active infinitive of solidō (“make solid").

    From Wiktionary

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