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English definition of “solder”

solder

noun [U]     /ˈsəʊl.dər/ US  /ˈsɑː.dɚ/
a soft metal that is melted in order to join together pieces of metal so that they stick together when it cools and becomes hard againMetals and metalworkingChemical elements
(Definition of solder noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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