alloy in WordNet English dictionary

1. the state of impairing the quality or reducing the value of something
   admixture  alloy 
   
2. 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"
   alloy  metal 
   

1. lower in value by increasing the base-metal content
   debase  alloy 
   
2. make an alloy of
   alloy