Dictionary

1copper

noun, cop·per often attributive \ˈkä-pər\

Definition of COPPER

1
:  a common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity — see element table
2
:  a coin or token made of copper or bronze
3
chiefly 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

Origin of COPPER

Middle English coper, from Old English, from Late Latin cuprum copper, from Latin (aes) Cyprium, literally, Cyprian metal
First Known Use: before 12th century

2copper

verb
cop·peredcop·per·ing \ˈkä-p(ə-)riŋ\

Definition of COPPER

transitive verb
:  to coat or sheathe with or as if with copper

First Known Use of COPPER

1530

3copper

noun

Definition of COPPER

Origin of COPPER

2cop
First Known Use: 1846
COPPERED Defined for Kids

copper

noun cop·per \ˈkä-pər\

Definition of COPPER for Kids

1
:  a tough reddish metallic chemical element that is one of the best conductors of heat and electricity
2
:  a reddish brown color <copper hair>
Medical Dictionary

copper

noun , cop·per often attrib \ˈkäp-ər\

Medical Definition of COPPER

:  a common reddish metallic element that is ductile and malleable and one of the best conductors of heat and electricity—symbol Cu; see element table
cop·pery \ˈkäp-(ə-)rē\ adjective

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