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1

copper

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noun, often attributive cop·per \ 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 Chemical Elements 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 and Etymology of copper

Middle English coper, from Old English, from Late Latin cuprum copper, from Latin (aes) Cyprium, literally, Cyprian metal

NEW! Time Traveler

First Known Use: before 12th century

See Words from the same year

2

copper

verb

Definition of copper

coppered; coppering play \ˈkä-p(ə-)riŋ\

transitive verb

:to coat or sheathe with or as if with copper

First Known Use of copper

1530

3

copper

noun

Definition of copper

:police officer

Origin and Etymology of copper

NEW! Time Traveler

First Known Use: 1846

See Words from the same year

COPPER Defined for Kids

copper

play

noun cop·per \ ˈkä-pər \

Definition of copper for Students

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

play

noun, often attributive cop·per \ 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 Chemical Elements Table

—

coppery

play \ˈkäp-(ə-)rē\ adjective

Learn More about copper

See words that rhyme with copper Thesaurus: All synonyms and antonyms for copper Spanish Central: Translation of copper Nglish: Translation of copper for Spanish speakers Britannica English: Translation of copper for Arabic speakers Britannica.com: Encyclopedia article about copper

Seen and Heard

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WORD OF THE DAY

shofar

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a ram's-horn trumpet used in Judaism

BROWSE DICTIONARY

coppa

Coppell

copper

copper acetate

Copper Age

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