platinum

iridium${\displaystyle \longleftarrow }$ 78 ${\displaystyle \longrightarrow }$gold

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Platinum

Pronunciation

• (UK) IPA ^(key): /ˈplætɪnəm/
• (US) IPA ^(key): /ˈplætənəm/  or /ˈplætnəm/

• Audio (UK)

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• Audio (US)

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• Audio (US)

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• Hyphenation: plat‧i‧num

Noun

Singular platinum

Plural platinums

1. (uncountable) Platinum is an element of the periodic table with the atomic number 78. Its symbol is Pt.
   • Synonyms: Pt and ⛢
2. (uncountable) Platinum is also the silver-grey metal made of platinum atoms.
   • Synonyms: Pt, ⛢ and ♅

   With a density of 21,4, platinum is one of the densest materials known to Earth.

3. (countable) Atom of the element platinum.
   • Synonyms: Pt and ⛢
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

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.