Meaning of “base metal” in the English Dictionary

british dictionary

"base metal" in British English

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base metalnoun [ C ]

uk /ˌbeɪs ˈmet.əl/ us /ˌbeɪs ˈmet̬.əl/ specialized

a common metal, such as lead, tin, or copper, that reacts easily with other chemicals and is not a precious metal

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