01 a. Of or relating to, or using, a double metallic standard (as gold and silver) for a system of coins or currency.
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1.
Of or relating to, or using, a double metallic standard (as gold and silver) for a system of coins or currency.[archaic]
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2.
Composed of two different metals; formed of two parts, each of a different metal; as, bimetallic wire; bimetallic thermometer, etc.