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English definition of “platinum”

platinum

noun [U]     /ˈplætɪnəm/ US   /ˈplætənəm/
STOCK MARKET, NATURAL RESOURCES a very valuable silver-grey metal that is used in industry and often traded on the commodity market : Platinum rose to $1,293.50 an ounce after hitting a record $1,298.50 during the day's trading .
(Definition of platinum noun from the Cambridge Business English Dictionary © Cambridge University Press)
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