/
ˈplatɪnəm/
n.
- a precious silvery-white metal, the chemical element of atomic number 78, used in jewellery, electrical contacts, laboratory equipment, and industrial catalysts.
(Symbol: Pt)
-
[as modifier]
greyish-white or silvery like platinum.
Phrase
- go platinum
(of a recording) achieve sales meriting a platinum disc.
Etymology
C19: alt. of earlier platina, from Sp., dimin. of plata ‘silver’.
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