bimetal

As a noun alloy

is a metal that is a combination of two or more elements, at least one of which is a metal.

As a verb alloy

is to mix or combine; often used of metals.

As an adjective bimetal is

consisting of two metals.

As adjectives the difference between dimetal and bimetal

is that dimetal is involving two metals; especially involving a bond between two metal atoms while bimetal is consisting of two metals.

As adjectives the difference between bimental and bimetal

is that bimental is of or relating to two minds while bimetal is consisting of two metals.

As an adjective bimetal

is consisting of two metals.

As a noun biometal is

any metal that has a biochemical function.