copper copper /ˈkɑːpɝ/

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
   
   
2. Any of various small butterflies of the family Lycaenidae having coppery wings  ( copper )
   any of various small butterflies of the family Lycaenidae having coppery wings
   
   
3. A reddish-brown color resembling the color of polished copper  ( copper , copper color [American] , copper colour [Canadian, British] )
   a reddish-brown color resembling the color of polished copper
   
   
4. Uncomplimentary terms for a policeman  ( bull , copper , fuzz , cop , pig )
   uncomplimentary terms for a policeman
     The police cop patrolled the streets, ensuring public safety.
   The police cop patrolled the streets, ensuring public safety.
   
5. A copper penny  ( copper )
   a copper penny
   

verb

1. Coat with a layer of copper  ( copper )
   coat with a layer of copper