1) Industrial process 
Metallizing is the general name for the technique of coating metal on the surface of non-metallic objects. Techniques for metallization started as early as mirror making. In 1835, Justus von Liebig discovered the process of coating a glass surface with metallic silver, making the glass mirror one of the earliest items being metallized. Plating oth...
• (p. pr. & vb. n.) of Metallize
Applying a thin coating of metal to a non-metallic surface. May be done by chemical deposition or by exposing the surface to vaporized metal in a vacuum chamber.