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Definition of solder noun from the Oxford Advanced Learner's Dictionary

solder

noun

solder pronunciation English

ˈsəʊldə(r) solder pronunciation English

solder pronunciation English

ˈsɒldə(r)

solder pronunciation American

ˈsɑːdər

[uncountable] a mixture of metals that is heated and melted and then used to join metals, wires, etc. together