of, resembling, or containing copper.

1785–95; copper1 + -y1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To coppery
World English Dictionary
copper1 (ˈkɒpə)
1.  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°CRelated: cupric, cuprous, cupro-
 b.  (as modifier): a copper coin
2.  a.  the reddish-brown colour of copper
 b.  (as adjective): copper hair
3.  informal any copper or bronze coin
4.  chiefly (Brit) a large vessel, formerly of copper, used for boiling or washing
5.  any of various small widely distributed butterflies of the genera Lycaena, Heodes, etc, typically having reddish-brown wings: family Lycaenidae
6.  (tr) to coat or cover with copper
Related: cupric, cuprous, cupro-
[Old English coper, from Latin Cyprium aes Cyprian metal, from Greek Kupris Cyprus]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
The adult beetle has a shiny emerald green body with a coppery red or purple
The ventral surface is opaque and cream colored with a coppery sheen.
The wing covers are a coppery brown and extend almost to the tip of the abdomen.
The interior of the animal's shell, called the nacre, is usually purple but can
  also be coppery in color.
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