copper
IPA: kˈɑpɝ
noun
- (uncountable) A reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
- The reddish-brown colour/color of copper.
- (countable, dated) Any of various specialized items that are made of copper, where the use of copper is either traditional or vital to the function of the item.
- (countable) A copper coin, typically of a small denomination, such as a penny.
- (UK, Australia, dated) A large pot, often used for heating water or washing clothes over a fire. In Australasia at least, it could also be a fixed installation made of copper, with a fire underneath and its own chimney. Generally made redundant by the advent of the washing machine.
- (entomology) Any of various lycaenid butterflies with copper-coloured upperwings, especially those of the genera Lycaena and Paralucia.
- (slang, law enforcement) A police officer.
- A surname.
verb
- To sheathe or coat with copper.
adjective
- Made of copper.
- Having the reddish-brown colour/color of copper.
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Examples of "copper" in Sentences
- Copper will not rust.
- The blacksmith smelts copper.
- Anna is an Indian type of copper.
- The copper was probably in the spoon.
- The copper is refined by electrolysis.
- The copper is then taken to the refinery.
- Copper is not the only metal that occurs in porphyry deposits.
- Gold and copper salts give a metallic bead without an incrustation.
- However, due to the scarcity of the metal, copper was used sparingly.
- Copper toxicity refers to the consequences of an excess of copper in the body.
- In the short term copper prices may drift lower as growth slows in America and Europe.
- Precisely; and those which we prepared by dissolving copper in nitric acid, _nitrat of copper_, and so on.
- The Queller Washlady quarter (lot #1906), in copper, is NGC certified ‘Proof-66′ with both ‘Cameo’ and [Original] ‘Red’ [Color] designations.
- The rally in copper futures slowed after the release of August U.S. new-home sales data, which were pegged higher but came in flat compared with July.
- Part of the reason for the strong imports in November and December was that long-term copper supply contracts are typically fulfilled toward the year-end.
- The stills are generally made of naked copper; the acid works upon that metal, and forms with it the _acetate of copper_, or verdigrise, part of which passes with the whiskey.
- 43-101 Standards of Disclosure for Mineral Projects ( "NI 43-101"), and does not comply with that standard; nor does the term copper equivalent grade comply with that standard.
- I shall not enter into examination of the prices for which he now proposes to sell his half-pence or what he calls his copper, by the pound; I have said enough of it in my former letter, and it hath likewise been considered by others.
- Meanwhile the master of the house presents himself with a disturbed and gloomy countenance, and doubts much whether we can have any dinner to-day, because no one will sell anything, either for copper or silver; moreover hints darkly that they expect a _copper pronuniciamiento_ to-morrow; and observes that the shops are shut up.