zinc zinc [zɪŋk] noun [uncountable]
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.
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zinc UK US /zɪŋk/ noun [U]
► a blue-white metal used to make alloys (= combinations of metals) or for covering other metals to protect them
Financial and business terms. 2012.