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.

plural of poor metal

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.

(informal) Resembling or characteristic of heavy metal music.

(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.

A tough kind of sheet brass from which cartridge shells are made.

A music genre that fuses vocal and instrumental elements of hip-hop with heavy metal.