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platinum

noun
/ˈplætɪnəm/
/ˈplætɪnəm/
[uncountable]
(symbol Pt)
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  1. a chemical element. Platinum is a silver-grey precious metal, used in making expensive jewellery and in industry.铂;白金Topics Physics and chemistryc2, Clothes and Fashionc2
    Oxford Collocations DictionaryPlatinum is used before these nouns:
    • blonde
    • record
    See full entry
    Word Originearly 19th cent.: alteration of earlier platina, from Spanish, diminutive of plata ‘silver’.

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