\▐ jü-ә-lәrs ▐ rüzh esp. Southern▐ rüj\ n Very fine and pure ferric oxide (Fe2O3) powder used for polishing metals and plastics. Rouge paper contains the same abrasive glued to paper. It also comes in cloth form, called crocus cloth. (Whittington's dictionary of plastics. Carley, James F (ed). Technomic, 1993).