 copper |
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| 1. | [ noun ] (chemistry) 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 | |
| Synonyms: | atomic_number_29 Cu | |
| Related terms: | metallic_element conductor blister_copper brass bronze cuprite chalcopyrite malachite chalcocite bornite | |
| 2. | [ noun ] (color) a reddish brown the color of polished copper | |
| Synonyms: | copper_color | |
| Related terms: | reddish_brown | |
| 3. | [ noun ] a copper penny | |
| Related terms: | penny | |
| 4. | [ noun ] (informal) uncomplimentary terms for a policeman | |
| Synonyms: | cop pig fuzz bull | |
| Related terms: | policeman colloquialism | |
| 5. | [ verb ] coat with a layer of copper | |
| Related terms: | coat | |
| 6. | [ noun ] Last name, frequency rank in the U.S. is 6270 | |
| 7. | [ noun ] (zoology) any of various small butterflies of the family Lycaenidae having copper colored wings | |
| Related terms: | lycaenid American_copper Lycaena | |
| Similar spelling: |
coppery cowper copier Copher cooper cover copra Cofer Coover Coffer cobber chopper cowberry cupper cobra |
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