(economics) The use of a monetary standard based upon two different metals, traditionally gold and silver usually in a fixed ratio of values.

plural of bimetallism

Pertaining to the use of gold and silver to create legal currency. / More generally, consisting of two metals.

Anything (especially a nanoparticle) composed of two metals

plural of bimetallic

Alternative form of bimetallic

A thin strip made from a sandwich of two different metals, the metals having different rates of expansion with temperature, so that an increase in temperature causes the strip to bend one way, and a decrease causes it to bend the other; used in various devices such as thermostats.