Cu Cu /siːˈjuː/

noun

1. A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor  ( atomic number 29 , Cu , copper )
   a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor
    The Statue of Liberty's iconic green color is due to the oxidation of its copper exterior
   The Statue of Liberty's iconic green color is due to the oxidation of its copper exterior