An alloy of silver, copper, and lead.

(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.

An alloy consisting of four and a half ounces of zinc per pound of copper.

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

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

shape memory alloy

An alloy of lead, antimony, and mercury, made for sheathing ships.

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