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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
D4vd’s parents are coming to his defense after the platinum-selling singer was arrested Thursday on suspicion of murdering Celeste Rivas Hernandez, the 14-year-old girl found dismembered and decomposing in the trunk of his Tesla seven months ago. Nancy Dillon, Rolling Stone, 17 Apr. 2026 Fans of the Rock & Roll Hall of Famers — who have sold more than 20 million albums and notched more than 40 international gold and platinum discs — can expect to hear a mix of old and new, smashes and deep cuts, when Cheap Trick visits Bridges Auditorium in Claremont on April 21. Marc Ballon, Los Angeles Times, 17 Apr. 2026
Adjective
His catalog has earned billions of global streams and numerous multi-platinum certifications. Matt Grobar, Deadline, 9 Apr. 2026 Staind is a multi-platinum rock band that's toured alongside names like Kid Rock, Limp Bizkit and Filter. Lucia Cheng, Des Moines Register, 31 Mar. 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 23 Apr. 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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