praseodymium

noun

pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdi-mē-əm How to pronounce praseodymium (audio)
ˌprā-sē-
: a yellowish-white metallic element of the rare-earth group used especially in alloys and in the form of its salts in coloring glass greenish yellow see Chemical Elements Table

Examples of praseodymium 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.
For one, the agreement covers mainly neodymium and praseodymium, which are only two of the 17 rare-earth elements. — Eva Roytburg, Fortune, 18 Nov. 2025 Here, the specific rare earth elements being sought, for example neodymium and praseodymium, are separated from the other rare earths. — IEEE Spectrum, 27 Dec. 2024 These include gold, zinc, copper and lithium, but also rare earth deposits, including dysprosium, terbium, neodymium and praseodymium, which are used in everything from electric cars and wind turbines to high-speed computing. — Tom Page, CNN Money, 23 Jan. 2026 But increasingly, recyclers are extracting rare-earth elements, such as neodymium, praseodymium, terbium and dysprosium, which are critical in making everything from fighter jets to power tools. — Bob Woods, CNBC, 13 July 2025 See All Example Sentences for praseodymium

Word History

Etymology

New Latin, alteration of praseodidymium, irregular from Greek prasios, adjective + New Latin didymium didymium

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of praseodymium was in 1885

Rhymes for praseodymium

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Browse Nearby Words

praseodidymium
praseodymium
prasine
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Cite this Entry

“Praseodymium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/praseodymium. Accessed 8 Jul. 2026.

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Kids Definition

praseodymium

noun
pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdim-ē-əm How to pronounce praseodymium (audio)
: a yellowish white metallic element used especially in alloys and in coloring glass greenish yellow see element

Medical Definition

praseodymium

noun
pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdim-ē-əm How to pronounce praseodymium (audio) ˌprā-sē- How to pronounce praseodymium (audio)
: a yellowish white trivalent metallic element of the rare-earth group
—symbol Pr see Chemical Elements Table

More from Merriam-Webster on praseodymium

Britannica.com: Encyclopedia article about praseodymium

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