Bimetallic
Bimetallic ({not transcribed}) , adjective
[Prefix bi- + metallic: compare French bimétallique.]
1.
Of or relating to, or using, a double metallic standard (as gold and silver) for a system of coins or currency. [archaic]
2.
Composed of two different metals; formed of two parts, each of a different metal; as, bimetallic wire; bimetallic thermometer, etc.