A form of brass with about 60% copper, 40% zinc, and a trace of iron.

a subgenre of heavy metal with progressive rock influences

A fusible alloy consisting of one or two parts of cadmium, two parts of tin, four of lead, and seven or eight of bismuth.

An alloy of silver, copper, and lead.

A kind of gun metal, containing copper, zinc, and iron, but no tin.

(music) A genre of heavy metal music characterized by experimental and unconventional elements.

A variety of clay ironstone, in Staffordshire, England, used for making tools.

Any of various metallic elements in the p-block of the periodic table, generally with higher electronegativity, lower melting and boiling points and greater softness than the transition metals.

(archaeology) An age characterised by the use of tools made from a specific type of metal.

The age characterised by the use of metal tools. / The Copper Age.