| COP | variety of European beech with shining purple or copper-colored leaves |
|---|---|
| COP | a reddish brown the color of polished copper |
| COP | having the color of copper |
| COP | a heavy gray mineral that is an ore of copper |
| COP | a mine where copper is dug from the ground |
| COP | enlargement of the nose with dilation of follicles and redness and prominent vascularity of the skin |
| COP | an oxide of copper |
| COP | a yellow copper ore (CuFeS2) made up of copper-iron sulfide |
| COP | of North American Pacific coastal waters |
| COP | a copper salt made by the action of sulfuric acid on copper oxide |
| COP | a copper salt made by the action of sulfuric acid on copper oxide |
| COP | (British) an informer or spy working for the police |