neodymium

[ nee-oh-dim-ee-uhm ]

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.

neodymium

/ 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

neodymium

/ 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

Word History and Origins

Origin of neodymium¹

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

Word History and Origins

Origin of neodymium¹

C19: New Latin; see neo- + didymium

Example Sentences

Specifically, the microparticles are neodymium magnets -- powerful magnets made of neodymium, iron and boron.

From Science Daily

Mr Swallow says that, even during the past 10 years or so, the availability of higher grade magnets made with the rare earth element neodymium has improved.

From BBC

Aside from over-reliance on China, refining rare earths, such as neodymium and dysprosium, involves solvents and toxic waste that conflict with sustainability goals.

From Reuters

Toyota is working on a permanent magnet with a 50% reduction in neodymium, a heavy rare earth.

From Reuters

These are typically rich in cerium, used in flat screens, and lanthanides, such as praseodymium and neodymium, which go into magnets.

From Reuters