platinum

1 of 2

noun

plat·​i·​num ˈpla-tə-nəm How to pronounce platinum (audio)
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

platinum

2 of 2

adjective

: qualifying for a platinum record
see also:

Examples of platinum in a Sentence

Recent Examples on the Web
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Noun
Participants, who paid a $75 registration fee, received a white dress, a platinum-blond wig, cat-eye sunglasses, and a martini glass to complete the iconic look. Staff Photographer, Los Angeles Times, 31 May 2026 This iteration of the mind-bogglingly complex timepiece is finished in platinum rather than pink gold, adding an extra layer of exclusivity. Rachel Cormack, Robb Report, 31 May 2026
Adjective
The track, which became a multi-platinum hit, helped push both hip-hop and house music to the forefront of popular music. Hattie Lindert, Pitchfork, 24 May 2026 To mark the inaugural broadcast, multi-platinum recording artist Dove Cameron will deliver a special performance of 'Your Song' in tribute to Elton John’s legacy. Frank Racioppi, Forbes.com, 20 May 2026 See All Example Sentences for platinum

Word History

Etymology

Noun

New Latin, from Spanish platina, from diminutive of plata silver — more at plate

First Known Use

Noun

1794, in the meaning defined at sense 1

Adjective

1971, in the meaning defined above

Time Traveler
The first known use of platinum was in 1794

Browse Nearby Words

Cite this Entry

“Platinum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/platinum. Accessed 7 Jun. 2026.

Kids Definition

platinum

1 of 2 noun
plat·​i·​num ˈplat-nəm How to pronounce platinum (audio)
-ᵊn-əm
: a heavy precious grayish white metallic element that is used especially as a catalyst and in jewelry see element

platinum

2 of 2 adjective
: qualifying for a platinum record

Medical Definition

platinum

noun
plat·​i·​num ˈplat-nəm, -ᵊn-əm How to pronounce platinum (audio)
: 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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