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cop·per 1

1. Symbol Cu A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and corrosion-resistant parts, either pure or in alloys such as brass and bronze. Atomic number 29; atomic weight 63.546; melting point 1,085°C; boiling point 2,562°C; specific gravity 8.96; valence 1, 2. See Periodic Table.
2. A coin, usually of small denomination, made of copper or a copper alloy.
3. Chiefly British A large cooking pot made of copper or often of iron.
4. Any of various small butterflies of the subfamily Lycaeninae, having predominantly copper-colored wings.
5. A reddish brown.
tr.v. cop·pered, cop·per·ing, cop·pers
1. To coat or finish with a layer of copper.
2. Slang To bet against, as in faro.

[Middle English coper, from Old English, from Late Latin cuprum, from Latin Cyprium (aes), Cyprian (metal), from Cyprius, of Cyprus, from Greek Kuprios, from Kupros, Cyprus.]

cop′per·y adj.

cop·per 2

n. Slang
A police officer.

[From cop.]


1. (Elements & Compounds)
a. a malleable ductile reddish metallic element occurring as the free metal, copper glance, and copper pyrites: used as an electrical and thermal conductor and in such alloys as brass and bronze. Symbol: Cu; atomic no: 29; atomic wt: 63.546; valency: 1 or 2; relative density: 8.96; melting pt: 1084.87±+0.2°C; boiling pt: 2563°C. cupriccuprouscupro-
b. (as modifier): a copper coin.
2. (Colours)
a. the reddish-brown colour of copper
b. (as adjective): copper hair.
3. (Currencies) informal any copper or bronze coin
4. chiefly Brit a large vessel, formerly of copper, used for boiling or washing
5. (Animals) any of various small widely distributed butterflies of the genera Lycaena, Heodes, etc, typically having reddish-brown wings: family Lycaenidae
(Metallurgy) (tr) to coat or cover with copper
[Old English coper, from Latin Cyprium aes Cyprian metal, from Greek Kupris Cyprus]
ˈcoppery adj


(Law) a slang word for policeman Often shortened to: cop
[C19: from cop1 (vb) + -er1]


(ˈkɒp ər)
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 or bronze.
4. any of several butterflies of the family Lycaenidae, as Lycaena hypophleas (American copper), having copper-colored wings spotted and edged with black.
5. Brit. a large kettle, as for cooking.
6. to cover, coat, or sheathe with copper.
[before 1000; Middle English coper, Old English coper, copor (compare Old High German kupfar, Old Norse koparr) < Late Latin cuprum, for Latin (aes) Cyprium (metal) of Cyprus]
cop′per•y, adj.


(ˈkɒp ər)

n. Slang.
[1840–50; perhaps cop1]


Symbol Cu A reddish-brown, easily shaped metallic element that is an excellent conductor of heat and electricity. It is widely used for electrical wiring, water piping, and rust-resistant parts, either in its pure form or in alloys such as brass and bronze. Atomic number 29. See Periodic Table. See Note at element.


Past participle: coppered
Gerund: coppering

I copper
you copper
he/she/it coppers
we copper
you copper
they copper
I coppered
you coppered
he/she/it coppered
we coppered
you coppered
they coppered
Present Continuous
I am coppering
you are coppering
he/she/it is coppering
we are coppering
you are coppering
they are coppering
Present Perfect
I have coppered
you have coppered
he/she/it has coppered
we have coppered
you have coppered
they have coppered
Past Continuous
I was coppering
you were coppering
he/she/it was coppering
we were coppering
you were coppering
they were coppering
Past Perfect
I had coppered
you had coppered
he/she/it had coppered
we had coppered
you had coppered
they had coppered
I will copper
you will copper
he/she/it will copper
we will copper
you will copper
they will copper
Future Perfect
I will have coppered
you will have coppered
he/she/it will have coppered
we will have coppered
you will have coppered
they will have coppered
Future Continuous
I will be coppering
you will be coppering
he/she/it will be coppering
we will be coppering
you will be coppering
they will be coppering
Present Perfect Continuous
I have been coppering
you have been coppering
he/she/it has been coppering
we have been coppering
you have been coppering
they have been coppering
Future Perfect Continuous
I will have been coppering
you will have been coppering
he/she/it will have been coppering
we will have been coppering
you will have been coppering
they will have been coppering
Past Perfect Continuous
I had been coppering
you had been coppering
he/she/it had been coppering
we had been coppering
you had been coppering
they had been coppering
I would copper
you would copper
he/she/it would copper
we would copper
you would copper
they would copper
Past Conditional
I would have coppered
you would have coppered
he/she/it would have coppered
we would have coppered
you would have coppered
they would have coppered
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.copper - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic elementcopper - 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
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
bornite, peacock ore - a mineral consisting of sulfides of copper and iron that is found in copper deposits
chalcocite, copper glance - a heavy grey mineral that is an ore of copper
chalcopyrite, copper pyrites - a yellow copper ore (CuFeS2) made up of copper and iron sulfide
cuprite - a mineral consisting of cuprous oxide that is a source of copper
malachite - a green or blue mineral used as an ore of copper and for making ornamental objects
brass - an alloy of copper and zinc
bronze - an alloy of copper and tin and sometimes other elements; also any copper-base alloy containing other elements in place of tin
blister copper - an impure form of copper having a black blistered surface
conductor - a substance that readily conducts e.g. electricity and heat
2.copper - a copper penny
cent, centime, penny - a coin worth one-hundredth of the value of the basic unit
3.copper - uncomplimentary terms for a policemancopper - uncomplimentary terms for a policeman
colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
police officer, policeman, officer - a member of a police force; "it was an accident, officer"
4.copper - a reddish-brown color resembling the color of polished coppercopper - a reddish-brown color resembling the color of polished copper
burnt sienna, reddish brown, sepia, Venetian red, mahogany - a shade of brown with a tinge of red
5.copper - any of various small butterflies of the family Lycaenidae having coppery wings
lycaenid, lycaenid butterfly - any of various butterflies of the family Lycaenidae
genus Lycaena, Lycaena - type genus of the Lycaenidae; small slender butterflies with upper surface of wings usually metallic blue or green or copper
American copper, Lycaena hypophlaeas - common copper butterfly of central and eastern North America
Verb1.copper - coat with a layer of copper
coat, surface - put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate"


Related words
adjectives cupric, cuprous
prefix cupro-


Slang. A member of a law-enforcement agency:
Informal: cop, law.
Slang: bull, flatfoot, fuzz, gendarme, heat, man (often uppercase).
Chiefly British: bobby, constable, peeler.
شُّرطيعِملَـة نُحاسِيَّـهنُحَاسنُحاس أحْمَرنُحاسي
měďměďákměděné barvyměděnýpolda
policistssarkanbrūnssīknaudavara-vara krāsā
bakırbakır parabakır rengibakırdan yapılmışmangır
đồngđồng đỏ


A. N
1. (= material) → cobre m
2. (= utensil) → caldera f de lavar
3. (Brit) (= coin) → perra f (chica), centavo m (LAm); (= penny) → penique m
it costs a few coppersvale unos peniques
4. (Brit)
see cop A1
1. (= made of copper) → de cobre
2. (= colour) → cobrizo
C. CPD copper beech Nhaya f roja or de sangre
copper sulphate Nsulfato m de cobre


(= metal) → cuivre m
(= policeman) → flic m coppers
nplpetite monnaie f
modif [bracelet, pan, coin] → en cuivre, de cuivre
a copper bracelet → un bracelet en cuivre copper wirecopper beech nhêtre m pourprecopper-coloured [ˈkɒpərkʌlərd] adjcuivré(e)copper sulphate nsulfate m de cuivrecopper wire nfil m de cuivre


(= metal)Kupfer nt; copper oreEisenerz nt; copper sulphateKupfersulfat nt, → Kupfervitriol nt
(= colour)Kupferrot nt
(esp Brit inf: = coin) → Cent m; coppersKleingeld nt
(inf: = policeman) → Polizist(in) m(f), → Bulle m (pej inf)
(for boiling clothes etc) → Kupferkessel f, → Waschkessel m


copper beech
nRotbuche f
adjmit Kupferboden; (Fin, fig) → gesund
copper mine
nKupfermine f
n (inf)Rotkopf m (inf)
(= plate for engraving)Kupferplatte f; (= engraving)Kupferstich m
(= handwriting)lateinische (Ausgangs)schrift
adj copper engravingKupferstich m; (= process also)Kupferstechen nt; copper (hand)writinglateinische (Ausgangs)schrift; in your best copper writingin deiner besten Sonntagsschrift
nVerkupferung f


1. n
a.rame m; (coin) → monetina coppers nplspiccioli mpl
b. (Brit) (fam) (police) → poliziotto/a
2. adj (wire, kettle) → di rame; (colour) → (color) rame inv, ramato/a


(ˈkopə) noun
1. an element, a metal of a brownish-red colour. This pipe is made of copper.
2. (a piece of) money made of copper or a substitute. Have you any coppers in your change?
1. made of copper. a copper pipe.
2. (also ˈcopper-coloured) of the colour of copper.


(ˈkopə) noun
a British nickname for a policeman. Run – there's a copper after you!


نُحَاس meď kobber Kupfer χαλκός cobre kupari cuivre bakar rame 구리 koper kopper miedź cobre медь koppar ทองแดง bakır đồng đỏ


n cobre m; — sulfate sulfato de cobre
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The eServer x360 contains IBM's XA-32 core chipset featuring Copper Chip and Silicon-on-Insulator technologies.
Nintendo's new Game Cube which arrives on shelves this July, also employs a new copper chip.
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With almost 500 copper barrier/seed systems in use by the vast majority of copper chip manufacturers worldwide, Applied has demonstrated its ability to extend cost-effective PVD technology over multiple technology generations.
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Combining the simplicity and reliability of the Endura2 platform with new, high-performance SIP EnCoRe II process chambers dramatically cuts operating cost and enables a vast range of copper chip designs to power future electronic products," added Dr.
has introduced the industry's first supercomputer powered by copper chip technology and has announced a milestone in copper chip manufacturing -- the two- millionth copper chip.