plat·i·num
ˈpla-tə-nəm 
ˈplat-nəm
often attributive
1
: a precious grayish-white noncorroding ductile malleable heavy metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys see Chemical Elements Table
2
: a moderate gray
Examples of platinum in a Sentence
Recent Examples on the Web
Mike Wall,
Space.com,
3 July 2026
And, when its time to sell, APMEX also buys gold, silver and platinum from consumers.
—
Liz Knueven,
CNBC,
2 July 2026
Hannah Abraham,
Forbes.com,
23 June 2026
Madonna is a Grammy-winning music icon known for such multi-platinum-selling albums as Like a Virgin, True Blue and Like a Prayer, in addition to an acting career that includes A League of Their Own and Evita.
—
Ryan Gajewski,
HollywoodReporter,
22 June 2026
See All Example Sentences for platinum
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Noun
Then there are the metals — industrial-grade stuff like iron and nickel, which could feed the off-Earth manufacturing industry, and precious species such as platinum.
—
Mike Wall,
Space.com,
3 July 2026
And, when its time to sell, APMEX also buys gold, silver and platinum from consumers.
—
Liz Knueven,
CNBC,
2 July 2026
Adjective
Houston released seven multi-platinum albums under his stewardship, including the 1992 The Bodyguard soundtrack, which became one of the best-selling albums in history.
—
Hannah Abraham,
Forbes.com,
23 June 2026
Madonna is a Grammy-winning music icon known for such multi-platinum-selling albums as Like a Virgin, True Blue and Like a Prayer, in addition to an acting career that includes A League of Their Own and Evita.
—
Ryan Gajewski,
HollywoodReporter,
22 June 2026
See All Example Sentences for platinum
Cite this Entry
“Platinum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/platinum. Accessed 6 Jul. 2026.
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Medical Definition
platinum
noun
plat·i·num
ˈplat-nəm, -ᵊn-əm
: a heavy precious grayish white noncorroding ductile malleable metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys
—symbol Pt
see Chemical Elements Table
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