Metal alloy, a combination of two or more metals, is an important material utilized in various industries like construction, aerospace, automotive, and electronics. It's imperative to use the right words while describing the metal alloy so that there isn't any confusion. There are many synonyms for metal alloy, including compound metal, fusion metal, blend metal, amalgam, and mixture metal. Additionally, the alloy can be classified according to its constituents, such as copper alloy, tin alloy, lead alloy, and nickel alloy. These synonyms can improve the description of the material and highlight its importance in the industry.