Meaning of copper


Pronunciation: (kop'ur), [key]
— n.
  1. a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; at. wt.: 63.54; at. no.: 29; sp. gr.: 8.92 at 20°C.
  2. a metallic reddish brown.
  3. a coin composed of copper, bronze, or the like, as the U.S. cent or the British penny.
  4. any of several butterflies of the family Lycaenidae, as Lycaena hypophleashaving copper-colored wings spotted and edged with black.
  5. a container made of copper.
  6. a tool partly or wholly made of copper: a soldering copper.
  7. a large kettle, now usually made of iron, used for cooking or to boil laundry.
  1. made of copper: copper kettles.
  2. reddish-brown; coppery: The copper sun sank into the sea.
  1. to cover, coat, or sheathe with copper.
  2. hedge (def. 6).


Pronunciation: (kop'ur), [key]
— n. Slang.
  1. a police officer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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