What is copper?

  • (noun): 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: Cu, atomic number 29
    See also — Additional definitions below


Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color. It is used as a conductor of heat and electricity, a building material, and a constituent of various metal alloys.

Read more about Copper.

Some articles on copper:

Mount Isa - Local Industry and Business
... Mount Isa Mines lease adjacent to the city, which comprises the "Enterprise" underground copper mine, X41 underground copper mine, "Black Star Open Cut" silver-lead zinc mine, and metallurgical ... Mount Isa is in the top two of the largest copper mining and smelting operations in the country ... Copper and lead are smelted on site, with copper anodes and zinc concentrate being transported 900 km to the city and port of Townsville on the east ...
... Associated minerals include prehnite, danburite, babingtonite, epidote, native copper, calcite, quartz and zeolites ... It is common in the copper deposits of the Lake Superior region of Michigan ... Much of the coloration is due to the inclusion of copper or associated minerals in progressive stages of hydrothermal precipitation ...
Oxiana Limited
... Oxiana Limited (ASX OXR) was an Australia-based copper and gold miner and exploration company ... OXR was focused on the operation and development of the Sepon copper and gold project in South East Laos, the Golden Grove copper/zinc mine in Western Australia and ...
Reinsch Test - Process
... body fluid or tissue in a hydrochloric acid solution Insert a copper strip into the solution ... The appearance of a silvery coating on the copper may indicate Mercury ... of its half-life, reductive deposition of selenium on metallic copper was the first step to extract 79Se from high active raffinate (= PUREX raffinate) in a hot cell ...
Biological Role - Copper-based Disorders
... Because of its role in facilitating iron uptake, copper deficiency can produce anemia-like symptoms, neutropenia, bone abnormalities, hypopigmentation, impaired growth, increased ... Wilson's disease causes an accumulation of copper in body tissues ... can be found by testing for low plasma or serum copper levels, low ceruloplasmin, and low red blood cell superoxide dismutase levels these are not sensitive to marginal copper status ...

More definitions of "copper":

  • (noun): Any of various small butterflies of the family Lycaenidae having copper colored wings.
  • (noun): A copper penny.
  • (noun): Uncomplimentary terms for a policeman.
    Synonyms: bull, cop, fuzz, pig
  • (verb): Coat with a layer of copper.
  • (noun): A reddish brown the color of polished copper.
    Synonyms: copper color

Famous quotes containing the word copper:

    He had put, within his reach,
    A box of counters and a red-veined stone,
    A piece of glass abraded by the beach,
    And six or seven shells,
    A bottle with bluebells,
    And two French copper coins, ranged there with careful art,
    Coventry Kersey Dighton Patmore (1823–1896)