neodymium

American  

[nee-oh-dim-ee-uhm] / ˌni oʊˈdɪm i əm /

noun

Chemistry.

1. a rare-earth, metallic, trivalent element occurring with cerium and other rare-earth metals, and having rose-colored to violet-colored salts. Nd; 144.24; 60; 6.9 at 20°C.

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neodymium British  

/ ˌniːəʊˈdɪmɪəm /

noun

1. a toxic silvery-white metallic element of the lanthanide series, occurring principally in monazite: used in colouring glass. Symbol: Nd; atomic no: 60; atomic wt: 144.24; valency: 3; relative density: 6.80 and 7.00 (depending on allotrope); melting pt: 1024°C; boiling pt: 3127°C

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neodymium Scientific  

/ nē′ō-dĭm′ē-əm /

1. A shiny, silvery metallic element of the lanthanide series. It is used to make glass for welders' goggles and purple glass for lasers. Atomic number 60; atomic weight 144.24; melting point 1,024°C; boiling point 3,027°C; specific gravity 6.80 or 7.004 (depending on allotropic form); valence 3.

2. See Periodic Table

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Etymology

Origin of neodymium

From New Latin, dating back to 1880–85; neo-, didymium

Example Sentences

China mines three-fifths of the world’s rare earths—metals such as neodymium and dysprosium—and has more than 90% of the capacity for refining them, according to the International Energy Agency.

From The Wall Street Journal

So, it has surpluses of lighter rare earths such as neodymium, but lacks extractable quantities of heavier elements like dysprosium and terbium, which are critical for many high-performance magnets.

From BBC

"Dissolved neodymium and its isotopic fingerprint in seawater are excellent indicators of the origin of deep-water masses," explains Dr. Marcus Gutjahr.

From Science Daily

The ore from MP’s External link Mountain Pass mine contains a lot of cerium, lanthanum, neodymium, praseodymium, and samarium.

From Barron's

With names like dysprosium, neodymium and cerium, rare earths are a group of 17 heavy metals that are abundant throughout the Earth's crust.

From Barron's