the world > physical sensation > cleanness and dirtiness > cleaning > polishing > [noun] > polishing metal (6)
The action of brightening or polishing (chiefly metallic surfaces); also attributive.
The restoration of the original colour of a precious metal. Obsolete.
The action or process of burnishing.
The process of giving an appearance of silver or gold to base metal, esp. in counterfeiting; an instance of this. Also: the application of a fine…