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TOEFL BNC: 3656 COCA: 5053

copper

Word family
Related topics: Colours, Police, Elements
cop·per /ˈkɒpə $ ˈkɑːpər/ ●●○ noun  
1. [uncountableU]HCM a soft reddish-brown metal that allows electricity and heat to pass through it easily, and is used to make electrical wires, water pipes etc. It is a chemical element: symbol Cu 铜〔一种化学元素,符号为Cu
2 coppers [plural] British EnglishBrEPEC money of low value made of copper or bronze 铜币
 He offered to do the job for a few coppers.
他说他来做这份工作,给他几个铜板就行。
3 [uncountableU]CC a reddish-brown colour 红棕色,紫铜色
 her copper hair
她那红棕色的头发
4. [countableC]SCP British EnglishBrE informal a police officer 警察
coppery adjectiveadj
 coppery skin
古铜色的皮肤
Examples from the Corpus
From Longman Business Dictionary
coppercop·per /ˈkɒpəˈkɑːpər/ noun
1[uncountableU] a reddish-brown metal used, among other things, for making wire and CABLEs
On Friday, copper for March delivery ended at 98.9 cents a pound, up 1.9 cents.
The company is a major producer of copper products.
2coppers [plural] British EnglishBrE coins of low value made of copper or other dark-coloured metals
He counted out three pounds, all in coppers.
Origin copper
Old English coper, from Late Latin cuprum, from Latin (aes) Cyprium metal of Cyprus, copper
cop·per noun
Chinese
Syllable
Corpus

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