bimetal(n = noun.substance) - material made by bonding together sheets of two different metals;
is a kind of material, stuff
Derived forms adjective bimetal1, adjective bimetallic2
bimetal(s = adj.all) bimetallic - formed of two different metals or alloys; especially in sheets bonded together;
Derived form noun bimetal1
a material made by bonding together sheets of two different metals. [WordNet 1.5]