deoxidize
deoxidise BrE

Yttrium can be used to deoxidize vanadium and other non-ferrous metals.

And it also can be used as a soap forming agent, toothpaste deoxidize the coppers, etc.

I just touched the metal ... and it started to deoxidize and become a pure metal.

Ferrosilicon is used as a source of silicon to reduce metals from their oxides and to deoxidize steel and other ferrous alloys.

Josiah Marshall Heath (died 1851) was an English ornithologist, metallurgist and businessman, who invented the use of manganese to deoxidize steel.

Adding a certain amount of ferromanganese to the coating makes it possible to compensate for the manganese that is lost through oxidation during welding and to deoxidize the weld pool.

It is also used in the production of the alloys of many metals, such as aluminium and copper alloys, and is also used to deoxidize alloys as well.