1

platinum

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noun, often attributive plat·i·num \ˈplat-nəm, ˈpla-tə-nəm\

Definition of platinum

  1. 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 element table

  2. 2 :  a moderate gray

Recent Examples of platinum from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'platinum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of platinum

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


2

platinum

adjective plat·i·num

Definition of platinum

  1. :  qualifying for a platinum record

go platinum

  1. :  to have enough sales to qualify for a platinum record

First Known Use of platinum

1971


PLATINUM Defined for English Language Learners

platinum

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noun

Definition of platinum for English Language Learners

  • : a heavy, silver-colored metal that is difficult to melt and that is used especially in expensive jewelry


PLATINUM Defined for Kids

platinum

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noun plat·i·num \ˈpla-tə-nəm\

Definition of platinum for Students

  1. :  a heavy grayish white metallic chemical element


Medical Dictionary

platinum

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noun plat·i·num \ˈplat-nəm, -ən-əm\

Medical Definition of platinum

  1. :  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 element table



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