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copper
- Main Entry:
- 1cop·per

- Pronunciation:
-
\ˈkä-pər\
- Function:
- noun
- Usage:
- often attributive
- Etymology:
- Middle English coper, from Old English, from Late Latin cuprum copper, from Latin (aes) Cyprium, literally, Cyprian metal
- Date:
- before 12th century
1: a common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity — see element table2: a coin or token made of copper or bronze3chiefly British : a large boiler (as for cooking)4: any of a subfamily (Lycaeninae of the family Lycaenidae) of small butterflies with usually copper-colored wings
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