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Definitions for: Copper
[n] any of various small butterflies of the family Lycaenidae having copper colored wings
[n] a reddish brown the color of polished copper
[n] (informal) uncomplimentary terms for a policeman
[n] a copper penny
[n] 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
[v] coat with a layer of copper
Webster (1913) Definition: Cop"per, n. [OE. coper (cf. D. koper, Sw. koppar, Dan.
kobber, G. kupfer), LL. cuper, fr. L. cuprum for earlier
Cyprium, Cyprium aes, i.e., Cyprian brass, fr. Gr. ? of
Cyprus (Gr. ?), anciently renowned for its copper mines. Cf.
Cypreous.]
1. A common metal of a reddish color, both ductile and
malleable, and very tenacious. It is one of the best
conductors of heat and electricity. Symbol Cu. Atomic
weight 63.3. It is one of the most useful metals in
itself, and also in its alloys, brass and bronze.
Note: Copper is the only metal which occurs native abundantly
in large masses; it is found also in various ores, of
which the most important are chalcopyrite, chalcocite,
cuprite, and malachite. Copper mixed with tin forms
bell metal; with a smaller proportion, bronze; and with
zinc, it forms brass, pinchbeck, and other alloys.
2. A coin made of copper; a penny, cent, or other minor coin
of copper. [Colloq.]
My friends filled my pockets with coppers.
--Franklin.
3. A vessel, especially a large boiler, made of copper.
4. pl. Specifically (Naut.), the boilers in the galley for
cooking; as, a ship's coppers.
Note: Copper is often used adjectively, commonly in the sense
of made or consisting of copper, or resembling copper;
as, a copper boiler, tube, etc.
All in a hot and copper sky. --Coleridge.
Note: It is sometimes written in combination; as,
copperplate, coppersmith, copper-colored.
Copper finch. (Zo["o]l.) See Chaffinch.
Copper glance, or Vitreous copper. (Min.) See
Chalcocite.
Indigo copper. (Min.) See Covelline.
Cop"per, v. t. [imp. & p. p. Coppered; p. pr. & vb.
n. Coppering.]
To cover or coat with copper; to sheathe with sheets of
copper; as, to copper a ship.
Synonyms: atomic number 29, bull, cop, copper color, Cu, fuzz, pig
See Also: American copper, blister copper, bornite, brass, bronze, burnt sienna, cent, centime, chalcocite, chalcopyrite, coat, conductor, copper glance, copper pyrites, cuprite, genus Lycaena, Lycaena, Lycaena hypophlaeas, lycaenid, lycaenid butterfly, malachite, metal, metallic element, officer, peacock ore, penny, police officer, policeman, reddish brown, sepia, surface, Venetian red
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