alloy, metal -- (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")
admixture, alloy -- (the state of impairing the quality or reducing the value of something)
Overview of verb alloy
The verb alloy has 2 senses
debase, alloy -- (lower in value by increasing the base-metal content)