Platinized is a chemical term that is used to denote the process or action of coating a metal object with a thin layer of platinum. Synonyms for this word include platinate, platinumized, platinum-coated, and platinum-plated. These terms all refer to the same process of plating a metal object with platinum, which is often used to improve the object's corrosion resistance, durability, and appearance. Other related terms include electroplating, which is the process of coating a metal object with a thin layer of metal using an electrical current, and metallization, which refers to the process of applying a thin layer of metal to a non-metallic surface.