Synonyms for Bimetallic (same or very similar meaning)
WordNet sense 1 (pertaining to a monetary system based on two metals):
bimetallisticWordNet sense 2 (formed of two different metals or alloys; especially in sheets bonded together):
bimetalWordNet sense 3 (containing or made of or resembling or characteristic of a metal):
metal, metallicFrom the ODE community, based on WordNetadd/edit