1. developing or forming a patina (a thin layer of oxidation or discoloration on a metal surface)
Usage: present participle of patinate; technical/specialized usage in metallurgy and art conservation
2. artificially creating or accelerating the formation of a patina on metal for aesthetic or protective purposes
Usage: present participle of patinate; used in art, sculpture, and metalworking

Examples

• The copper roof has been patinating for decades, developing a beautiful green color.
• The artist is patinating the bronze sculpture to give it an antique appearance.
• Exposure to moisture and air causes the metal to begin patinating naturally.
• The jeweler used chemicals to accelerate the patinating process on the silver piece.
• Over time, the brass doorknob started patinating, showing signs of age and use.
• The restoration team carefully monitored the patinating of the outdoor statue.