platinum

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iridium 78 gold

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Pronunciation[change]

  • (UK) IPA: /ˈplætɪnəm/
  • (US) IPA: /ˈplætənəm/  or /ˈplætnəm/
  • (file)
  • (file)
  • Hyphenation: plat‧i‧num

Noun[change]

Singular
platinum

Plural
platinums

Pieces of platinum
  1. (uncountable) Platinum is an element of the periodic table with the atomic number 78. Its symbol is Pt.
  2. (uncountable) Platinum is also the silver-grey metal made of platinum atoms.
    With a density of 21,4, platinum is one of the densest materials known to Earth.
  3. (countable) Atom of the element platinum.
  4. (uncountable) Platinum is the silver-grey color of the metal.
  5. (countable); (music) A platinum is a musical recording that has sold over one million copies (for singles), or two million (for albums)

Adjective[change]

Positive
platinum

Comparative
none

Superlative
none

  1. Something platinum has the silver-grey color of the metal.
    She has always had her strange platinum hair.