platinum

1 of 2

noun

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

platinum

2 of 2

adjective

: qualifying for a platinum record

Phrases

go platinum

: to have enough sales to qualify for a platinum record

Examples of platinum in a Sentence

Recent Examples on the Web

Noun

After a two-year run in which the group went from clubs to theaters to arenas, buoyed by a string of platinum and gold singles and one of the most exciting live experiences in all of music, Treaty Oak Revival are on the brink of bona fide superstardom. —Josh Crutchmer, Rolling Stone, 28 Nov. 2025

Hood, the store’s spokesperson, said their most expensive item ever was a platinum Rolex watch that retailed for $64,000 but was sold at the store for half that. —Faith Karimi, CNN Money, 28 Nov. 2025

Adjective

First multi-platinum recording artist to go back to school and play DIVISION I football. —Sam Jane, New York Times, 2 Dec. 2025

The multi-platinum sensation lends her voice to Kinder's Fantasy Chocolate Factory float. —Dave Quinn, PEOPLE, 27 Nov. 2025

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

Phrases Containing platinum

• cis-platinum
• go platinum
• platinum blonde
• platinum record

Kids Definition

platinum

1 of 2 noun

plat·​i·​num ˈplat-nəm 

-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 

: 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