Definition of Copper

1. 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.

Exact synonyms: Atomic Number 29, Cu
Generic synonyms: Metal, Metallic Element, Conductor
Substance meronyms: Bornite, Peacock Ore, Chalcocite, Copper Glance, Chalcopyrite, Copper Pyrites, Cuprite, Malachite, Brass, Bronze
Specialized synonyms: Blister Copper
Derivative terms: Cupric

2. Verb. Coat with a layer of copper.
Generic synonyms: Coat, Surface

3. Noun. A copper penny.
Generic synonyms: Cent, Centime, Penny

4. Noun. Uncomplimentary terms for a policeman.
Exact synonyms: Bull, Cop, Fuzz, Pig
Language type: Colloquialism
Generic synonyms: Officer, Police Officer, Policeman
Derivative terms: Cop

5. Noun. A reddish-brown color resembling the color of polished copper.
Exact synonyms: Copper Color
Generic synonyms: Burnt Sienna, Mahogany, Reddish Brown, Sepia, Venetian Red
Derivative terms: Coppery

6. Noun. Any of various small butterflies of the family Lycaenidae having coppery wings.
Generic synonyms: Lycaenid, Lycaenid Butterfly
Group relationships: Genus Lycaena, Lycaena
Specialized synonyms: American Copper, Lycaena Hypophlaeas

Definition of Copper

1. n. 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.

2. v. t. To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.

Definition of Copper

1. Noun. a reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29. ¹

2. Noun. Something made of copper. ¹

3. Noun. The reddish-brown colour/color of copper. ¹

4. Noun. A copper coin. ¹

5. Noun. (UK archaic) A large pot, often used for heating water or washing clothes over a fire. ¹

6. Adjective. Made of copper. ¹

7. Adjective. Having the reddish-brown colour/color of copper. ¹

8. Verb. To sheathe or coat with copper. ¹

9. Noun. (slang law enforcement) A policeman. ¹

¹ Source:

Definition of Copper

1. to cover with copper (a metallic element) [v -ED, -ING, -S]

Medical Definition of Copper

1. A trace element with the atomic symbol cu, atomic number 29, and atomic weight 63. It is essential in nutrition, being a component of various proteins, including ceruloplasmin, erythrocuprein, cytochrome c oxidase, tyrosinase, etc. Deficiency, which is rare, may result in hypochromic microcytic anaemia, neutropenia, and bone changes. Chemical name: Copper (12 Dec 1998)

Lexicographical Neighbors of Copper

copped out
copper (current term)
copper's nark
copper-base alloy
copper arsenite
copper aspirinate
copper beech
copper bichloride

Literary usage of Copper

Below you will find example usage of this term as found in modern and/or classical literature:

1. Transactions by American Institute of Mining, Metallurgical, and Petroleum Engineers, Metallurgical Society of AIME, Society of Mining Engineers of AIME., Society for Mining, Metallurgy, and Exploration (U.S.). (1921)
"It was found that the copper was in contact with iron (or steel) while immersed in the molten salt, through the occasional use of an iron stirring rod, ..."

2. Standard methods of chemical analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"The oxides of copper may be dissolved in hydrochloric or sulphuric acid, but nitric acid ... If the ore is a mixture of minerals, lean and rich in copper, ..."

3. Methods of Practical Hygiene by Karl Bernhard Lehmann (1893)
"Weak hydrochloric acid dissolves also copper hydroxide (Bremer blue), basic copper carbonate (mountain-blue and mountain - green), basic copper acetate, ..."

4. The Journal of Infectious Diseases by Infectious Diseases Society of America, John Rockefeller McCormick Memorial Fund, John McCormick Institute for Infectious Diseases (1914)
"Given copper (copper amino acids) on alternate days for 29 days, ... The liver (10.0 gm. samples) contained 0.928 mg. copper in the total 16.0 gm.; ..."

5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1833)
"Admitting electricity to be the primary cause of the decomposition of the salt of copper, it is very easy to explain the subsequent phenomena. ..."

6. The Analyst (1877)
"From the certificate it appeared that the quantity of copper found in a ... The amount of copper might be small, but it was sufficient to be dangerous. ..."

7. Bulletin by Wisconsin Geological and Natural History Survey (1900)
"One peculiar occurrence of copper in these veins is at the copper Creek ... In one vein these wire-like pieces of copper appear to be covered by a thin ..."

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