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

If Boyd were to add vibranium to the table, he’d create another row and place it under uranium and neodymium.

From Science News For Students

Used in professional studios for decades, these cans feature 40m drivers, neodymium magnets, and a frequency response of 10Hz – 20kHz.

From Popular-Science

In this case, the crystal is formed from a material that's a mix of neodymium, nickel, and oxygen.

From Ars Technica

Each features a 5-inch woven glass fiber composite driver and a 1-inch silk soft-dome neodymium ferrofluid-cooled tweeter.

From Popular-Science

While the world struggles with supply-chain challenges and China threatens to withhold the rare-earth metals that are used for the magnets in EV motors, some point out the human rights situation surrounding the mining of metals like neodymium.

From Popular-Science

Not to mention rare elements such as lanthanum, cerium, and neodymium, essential to modern technology and commanding high prices.

From The Daily Beast

Germanium 64 is not at all stable, and neither is Neodymium 128, but the instability can be corrected by positive beta emission.

From Project Gutenberg

Neodymium (Nd) forms the chief portion of the old “didymium.”

From Project Gutenberg