Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A bright, silvery rare-earth metal element, found in monazite and bastnaesite and used for coloring glass and for doping some glass 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. See Table at element.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A metallic chemical element (symbol Nd) with an atomic number of 60.

from the GNU version of the Collaborative International Dictionary of English

  • n. The chemical element of atomic number 60, one of the rare earth elements. Symbol Nd. Atomic weight 144.27.

from The Century Dictionary and Cyclopedia

  • n. An element which occurs in cerite, albanite, and other comparatively rare minerals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a yellow trivalent metallic element of the rare earth group; occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium

Etymologies

neo- + (di)dymium.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From neo- +‎ (di)dymium. (Wiktionary)

Examples

  • The magnets, manufactured mostly in China, were called neodymium magnets.

    Bodily Harm

  • It takes 2-4 pounds per Prius, and Japan has had to buy much of their neodymium from the Chinese black market.

    Yakima Herald-Republic Weekly News

  • That light gets funneled into a crystal of a material called neodymium-doped yttrium orthovanadate, which is common to lab lasers.

    Wired Top Stories

  • The U.S. has become almost completely dependent on China for rare earth metals, including neodymium, which is used in hard disk drive magnets, according to testimony at a congressional hearing last month.

    Techworld Australia News

  • The size of the headphone doesn't necessarily relate to magnetic strength; small, portable ones typically use neodymium, which is one of the most powerful and concentrated magnetic substances, Maisel said.

    JustNews.com - Local News

  • The size of the headphone doesn't necessarily relate to magnetic strength; small, portable ones typically use neodymium, which is one of the most powerful and concentrated magnetic substances, Dr. Maisel said.

    The Globe and Mail - Technology RSS feed

  • Other minerals, such as neodymium (crucial for hard-disk drives and wind turbines), europium (used in lasers), cerium (which reduces carbon monoxide in engine exhaust), and lanthanum (key for many hybrid and electric-car batteries), would face a combined export quota of 35,000 tons annually — woefully insufficient to fill global needs.

    Power Up

  • The theory predicts levitation forces of up to 50 metric tons per square meter of magnet array using modern permanent magnet materials such as neodymium-iron-boron.

    New approach to levitating trains | Impact Lab

  • In addition to the Prius, rare-earth minerals such as neodymium and dysprosium are used in motor magnets in Nissan Motor Co.'s all-electric Leaf car, General Motors Co.'s plug-in Volt and Honda Motor Co.'s Insight hybrid, as well as in mobile phones and rechargeable batteries.

    Toyota Readying Electric Motors That Don't Use Rare Earths - Bloomberg

  • The audio system's speakers use "neodymium" magnets instead of iron magnets to shave off an additional 5 gram per speaker.

    CarBuyersNoteBook

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