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| cop·per [ kóppər ] |
noun (plural cop·pers) |
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| Definition: |
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1. reddish brown metal: a malleable, reddish brown metallic element that is a good conductor of electricity and heat. Source: ores such as chalcopyrite. Use: wiring, coatings, alloys.
Symbol Cu
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2. reddish brown color: a reddish brown color, like that of polished copper
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3. U.K. small coin: a low-value coin made of copper or brass
(
informal
)
  a pocketful of coppers
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4. zoology reddish brown butterfly: a small reddish brown butterfly. Genera Lycaena, Heodes.
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transitive verb (past and past participle cop·pered, present participle cop·per·ing, 3rd person present singular cop·pers) |
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| Definition: |
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cover something with copper: to cover or coat something with copper
(
often passive
)
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| [Pre-12th century. < late Latin cuprum< Greek Kupros "Cyprus," important ancient source of copper] |
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| cop·per adjective |
| cop·per·y adjective |
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