Process of leveling and flatting a dried coating film by rubbing it, either wet or dry and usually with a suitable abrasive, to remove nibs and other irregularities and to provide a surface with a suitable key for subsequent coating.
(paint effects) starting with a base coat of colour, a glaze is rubbed over creating a soft cloudy film of colour, which imitates the aged look of fresco paintings. It is ideal to use over stencils to slightly distress the look.
The barest trace of wear on the high points of a coin. just a step above "Friction" on the scale of adjectives used to describe degrees of wear. Usually, a coin with rubbing has virtually full mint lustre intact. Still, the wear is just a hair too noticeable for the coin to be called mint state.