Copper 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. [1913 Webster]

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. [1913 Webster]

2. A coin made of copper; a penny, cent, or other minor coin of copper. [Colloq.] [1913 Webster]

My friends filled my pockets with coppers. --Franklin. [1913 Webster]

3. A vessel, especially a large boiler, made of copper. [1913 Webster]

4. pl. Specifically (Naut.), the boilers in the galley for cooking; as, a ship's coppers. [1913 Webster]

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. [1913 Webster]

All in a hot and copper sky. --Coleridge. [1913 Webster]

Note: It is sometimes written in combination; as, copperplate, coppersmith, copper-colored. [1913 Webster]

{Copper finch}. (Zo["o]l.) See {Chaffinch}.

{Copper glance}, or {Vitreous copper}. (Min.) See {Chalcocite}.

{Indigo copper}. (Min.) See {Covelline}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

/ , / , (esp. in a ship's kitchen)

Look at other dictionaries:

  • copper — copper1 [käp′ər] n. pl. copper or coppers [ME & OE coper < LL cuprum, contr. < Cyprium ( aes), Cyprian (brass), copper, after Gr Kyprios,CYPRUS, noted for its copper mines] 1. a reddish brown, malleable, ductile, metallic element that is… …   English World dictionary

  • COPPER —    Copper was the first metal humans learned to work with. The earliest evidence comes from Cayonu in southeast Turkey (late ninth or early eighth millennium B.C.), where small items of jewelry were made from cold hammered nuggets. Large scale… …   Historical Dictionary of Mesopotamia

  • copper — Ⅰ. copper [1] ► NOUN 1) a red brown metallic chemical element which is used for electrical wiring and as a component of brass and bronze. 2) (coppers) Brit. coins of low value made of copper or bronze. 3) Brit. dated a large copper or iron… …   English terms dictionary

  • Copper — 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. [1913 Webster] …   The Collaborative International Dictionary of English

  • Copper — (englisch für „Kupfer“) steht für: Amiga Copper, Koprozessor der Amiga Computer Copper River (Alaska) Copper River (Wisconsin) Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mit demselb …   Deutsch Wikipedia

  • copper — cop‧per [ˈkɒpə ǁ ˈkɑːpər] noun 1. [uncountable] a reddish brown metal used, among other things, for making wire and cable S: • On Friday, copper for March delivery ended at 98.9 cents a pound, up 1.9 cents. • The company is a major producer of… …   Financial and business terms

  • copper — Symbol: Cu Atomic number: 29 Atomic weight: 63.54 Red brown transition element. Known by the Romans as cuprum. Extracted and used for thousands of years. Malleable, ductile and an excellent conductor of heat and electricity. When in moist… …   Elements of periodic system

  • Copper — For other uses, see Copper (disambiguation) …   Wikipedia

  • copper — copper1 /kop euhr/, 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;… …   Universalium

  • copper — 1. n., adj., & v. n. 1 Chem. a malleable red brown metallic element of the transition series occurring naturally esp. in cuprite and malachite, and used esp. for electrical cables and apparatus. Usage: Symb.: Cu. 2 a bronze coin. 3 a large metal… …   Useful english dictionary

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