copper

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 corrosion-resistant and an excellent conductor of electricity and heat: symbol, Cu; at. no., 29: see the periodic table of elements in the Reference Supplement
2. Now Chiefly Brit.
a) a coin of copper or bronze, as a penny
b) a large metal container or boiler, orig. of copper
3. the color of copper; reddish brown
4. any of various small, copper-colored butterflies (family Lycaenidae) found in temperate regions
adj.
1. of copper
2. copper-colored; reddish-brown
vt.
1. to cover or coat with copper
2. [from use of a copper coin to indicate such a bet in faro] Slang to bet against (another's bet)
coppery
adj.
copper2 [käp′ər]
n.
[prob. < COP2]
Slang a policeman

English World dictionary. . 2014.

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


Look at other dictionaries:

  • copper(I) — copper(I) …   English syllables

  • copper(II) — copper(II) …   English syllables

  • 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 …   The Collaborative International Dictionary of English

  • 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

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