An alloy is a combination of two or more metals, and gold is one of the most popular metals used in alloys. The term 'alloy gold' can refer to a variety of different alloys, such as those containing copper, silver, zinc, and other metals. The crossword solutions for the term 'alloy gold' are 'ASSAY' (5 letters), 'oroide' (6 letters), and 'ormolu' (6 letters). ASSAY is a process used to determine the purity of a metal, oroide is an alloy of gold and copper, and ormolu is an alloy of gold and brass.