- a rare-earth, metallic, trivalent element occurring with cerium and other rare-earth metals, and having rose-colored to violet-colored salts. Symbol: Nd; atomic weight: 144.24; atomic number: 60; specific gravity: 6.9 at 20°C.
Origin of neodymium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for neodymium
Not to mention rare elements such as lanthanum, cerium, and neodymium, essential to modern technology and commanding high prices.Afghanistan’s Mineral Wealth Could Be a Bonanza—or Lead to Disaster
Dr. Cheryl Benard
July 4, 2012
Neodymium (Nd) forms the chief portion of the old “didymium.”
Germanium 64 is not at all stable, and neither is Neodymium 128, but the instability can be corrected by positive beta emission.The Bramble Bush
Gordon Randall Garrett
- 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
C19: New Latin; see neo- + didymium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A rare-earth element used for coloring glass. Atomic number 60.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- 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. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.