| copperhead |
A species of snake. In the intensity of feeling during the Civil War, Northern men who were suspected of sympathising with the secessionists were stigmatized as copperhead. Many political terms, born of derision, acquired respectability; but it was not so in this case, and after the passions of the war had cooled off, the term was dropped.
출처: www.people.virginia.edu/~rmf8a/gaskell/poldict.htm
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| copper |
A metallic element. Since ancient times, one of the three main metals used for coins, along with gold and silver. It is also used in alloys of both gold and silver, to improve their working properties and their durability. Copper is also used with other base metals to form other alloys, such as bronze and brass, used for coins. Many "copper" coins issued during the past two centuries were actually made of bronze. Recently many "copper" coins have been made of copper plated steel.
출처: www.24carat.co.uk/numismaticterms.html
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| copper |
a soft, pink/orange metal with a very low resistance to electricity. [Kupfer; cuivre]
출처: www.internews.ru/books/radiohandbook/29.html
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| copper |
Chemical symbol Cu. A characteristically reddish metal of bright luster; highly malleable and ductile; high heat conductivity; an excellent conductor of electricity and is celebrated for its corrosion resistance. Copper is believed to have been discovered around 8,000 BC near the site of a village in the valleys of the Tigris and Euphrates rivers in what is now Iraq. ...
출처: www.rollformedshapes.com/termsc-f.htm
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| copper sulfate poisoning |
The systemic response to ingestion of toxic amounts of copper sulfate, a pesticide. Large ingestions may cause liver failure, acute renal failure, and shock. TREATMENT: Penicillamine or dimer
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