| copperhead |
In rock climbing, a copperhead is a small nut made of a soft metal, originally copper or brass, now usually aluminium. Copperheads are placed in the smallest cracks and seams where their malleability means that they can conform to the rock and grip better: often they need to be hammered into place. ...
출처: en.wikipedia.org/wiki/Copperhead_(climbing)
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| copperhead |
Northern Democrat who opposed the Union's war policy and favored a negotiated peace
출처: www.geocities.com/43rdpa/cwterms.html
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| copper |
a reddish metallic element that is one of the best conductors for heat and electricity.
출처: library.thinkquest.org/6275/Glossary.html
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| copper |
(Cu, #29) a reddish colored metallic element used to make wire, pennies, and pipes
출처: www.msnucleus.org/membership/html/k-6/rc/dictionar...
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| copper |
a malleable and ductile metal, copper combines well to make other metals such as brass and bronze: reacts with chemicals and oxygen in the air, in most cases turning green. See also Aerugo, Verdigris D
출처: collections.ic.gc.ca/sculpture/text/glossary.html
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