(chemistry, obsolete) Any metal, such as gold or silver, not readily oxidized by heat and air.

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

A mixture of around two-thirds copper and one-third tin making a white brittle alloy that can be polished into a highly reflective surface.

Prince Rupert's metal

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

(obsolete) gold

The metal from which iron pots are made, different from common pig iron. / An alloy of copper with lead used for making large vessels for various purposes in the arts.

The fused material for making glass.

Muntz metal

Muntz metal / (UK, auctions) Gold (or some alloy of gold) that cannot be labelled as gold in the UK because it does not bear an Assay Office mark.