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