Polishing

a. & n.
Polishing iron ,
an iron burnisher; esp., a small smoothing iron used in laundries.
Polishing slate
  1. A gray or yellow slate, found in Bohemia and Auvergne, and used for polishing glass, marble, and metals
  2. A kind of hone or whetstone; hone slate.
    3. Polishing snake ,
    a tool used in cleaning lithographic stones.
    Polishing wheel ,
    a wheel or disk coated with, or composed of, abrading material, for polishing a surface.