Meaning of “solder” in the English Dictionary

"solder" in British English

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soldernoun [ U ]

uk /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 again

solderverb [ I or T ]

uk /ˈsəʊl.dər/ us /ˈsɑː.dɚ/

to join pieces of metal together using solder

(Definition of “solder” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"solder" in American English

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soldernoun [ U ]

us /ˈsɑd·ər/

a type of soft metal that is melted to join separate metal parts which are then permanently attached when the metal cools

solder
verb [ T ] us /ˈsɑd·ər/

Wrap metal foil around the glass pieces and solder them together.

(Definition of “solder” from the Cambridge Academic Content Dictionary © Cambridge University Press)