Meaning of “solder” in the English Dictionary

"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

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)