base metal
noun
any metal other than a precious or noble metal, as copper, lead, zinc, or tin.Compare noble metal, precious metal.
the principal metal of an alloy.
the principal metal of a piece underlying a coating of another metal; core.
Words nearby base metal
base jumping, base level, base line, base load, base map, base metal, base of heart, base of lung, base of skull, base of stapes, base on balls
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British Dictionary definitions for base metal
base metal
noun
any of certain common metals such as copper, lead, zinc, and tin, as distinct from the precious metals, gold, silver, and platinum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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