| COP | United States composer who developed a distinctly American music (1900-1990) |
|---|---|
| COP | American painter who did portraits of Paul Revere and John Hancock before fleeing to England to avoid the American Revolution (1738-1815) |
| COP | a polymer consisting of two or more different monomers |
| COP | polymerize together, of two substances |
| COP | polymerize together, of two substances |
| COP | a failure to face some difficulty squarely |
| COP | any of various small butterflies of the family Lycaenidae having copper colored wings |
| COP | a reddish brown the color of polished copper |
| COP | (informal) uncomplimentary terms for a policeman |
| COP | a copper penny |
| COP | a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element |
| COP | coat with a layer of copper |