praseodymium

noun

pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdi-mē-əm 

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

American Resources Corporation is a pioneer in extracting and refining rare earth elements—like neodymium, praseodymium, and dysprosium—from recycled materials. —Lyssanoel Frater, USA Today, 22 Aug. 2025

That refers to neodymium, praseodymium, dysprosium and terbium. —Evelyn Cheng, CNBC, 28 May 2025

Neodymium and praseodymium convert the electricity stored in a battery into motion — to rotate the wheels of an electric vehicle, for instance. —Bloomberg, Mercury News, 17 Apr. 2025

Copper may be even more crucial to the nation's shift toward a greener, more efficient economy than rare elements like neodymium or praseodymium. —Scott Neuman, NPR, 16 Mar. 2025

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

Rhymes for praseodymium

• neodymium

Kids Definition

praseodymium

noun

pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdim-ē-əm 

: 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  ˌprā-sē- 

: a yellowish white trivalent metallic element of the rare-earth group

—symbol Pr see Chemical Elements Table