A metal that is formed by mixing two types of metal together, or by mixing metal with another substance (Oxford)
a metal that is made by mixing two or more metals, or a metal and another substance: (Cambridge)
Brass is an alloy of copper and zinc. (Cambridge)
The alloy with 12% of silicon is white, hard and brittle.
an alloy of copper and zinc
alloy with 12% of silicon
Combine
Compound
Disconnect
Divide
Alloying