Alloy

Any combination or compound of metals fused together; a mixture of metals; for example, brass, which is an alloy of copper and zinc. But when mercury is one of the metals, the compound is called an amalgam.

The quality, or comparative purity, of gold or silver; fineness.

A baser metal mixed with a finer.

Admixture of anything which lessens the value or detracts from; as, no happiness is without alloy.

To reduce the purity of by mixing with a less valuable substance; as, to alloy gold with silver or copper, or silver with copper.

To mix, as metals, so as to form a compound.

To abate, impair, or debase by mixture; to allay; as, to alloy pleasure with misfortunes.

To form a metallic compound.

a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"

the state of impairing the quality or reducing the value of something