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TOEFL BNC: 10458 COCA: 10443

zinc

Word family 
Related topics: Elements
zinc /zɪŋk/ noun [uncountableU]  
HCMa blue-white metal that is used to make brass and to cover and protect objects made of iron. It is a chemical element: symbol Zn 锌〔一种化学元素，符号为Zn〕
Examples from the Corpus
zinc• These include lead and antimony, nickel, manganese and zinc, and bismuth and iron.• Another doctor, 37 Edwin Schultz of Stanford, thought the compound zinc sulfate could do the job better.• In the Somogyi-Nelson procedure, barium hydroxide a d zinc sulfate are used to precipitate proteins.• A major restriction in the cementation brass-making process was the limited amount of zinc which could be introduced into the alloy.• Microscopic examinations show that crystals of zinc are embedded in the eutectic mixture.• So far, he said, there is no evidence that zinc prevents colds, only that it may reduce their severity.• Bronze An alloy made up mainly of copper and tin, but with zinc and lead often added.• Any vulnerable parts should be treated with zinc oxide plaster, so the skin hardens overnight.
From Longman Business Dictionary
zinczinc /zɪŋk/ noun [uncountableU]
a white metal used in manufacturing and traded on COMMODITIES MARKETS
On the London Metal Exchange, zinc fell in afternoon trading to a fresh 10-month low.
Origin zinc
(1600-1700) German zink
zinc noun
Chinese
Corpus

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