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

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

Rare-earth compounds take on a variety of colors, as shown with these oxides of (clockwise from top center): praseodymium, cerium, lanthanum, neodymium, samarium and gadolinium. —IEEE Spectrum, 7 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