Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A lustrous, blackish-brown rare-earth mineral consisting primarily of cerium, erbium, titanium, uranium, and yttrium.
from The Century Dictionary.
- noun A brownish-black mineral with a submetallic luster, found in Norway, which contains the metals yttrium, niobium (columbium), titanium, uranium, and some others.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A brownish black mineral with a metallic luster, found in Norway. It contains niobium, titanium, yttrium, and uranium, with some other metals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A dark brown lustrous
mineral that is a mixedoxide ofcerium ,erbium ,titanium ,uranium ,yttrium and other more common metals, with thechemical formula (Y ,Ca ,Ce ,U ,Th )(Nb ,Ta ,Ti )2O 6.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[From Greek euxenos, kind to strangers (from its unusual composition) : eu-, eu- + xenos, stranger; see ghos-ti- in Indo-European roots.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek εὔξενος (euksenos, "friendly to strangers, hospitable").
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Examples
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In 1879 a Swedish chemist named Lars Fredrik Nilson was looking for rare earth elements in the minerals euxenite and gadolinite when he discovered erbium and ytterbium; scandium was later separated from the ytterbium.
Scandium 2008
fbharjo commented on the word euxenite
how does this word exhibit "kindness to strangers"? In what vein is it meant? It contains so much that is rare earth, perhaps
March 9, 2009
mollusque commented on the word euxenite
A xenodochial mineral!
March 9, 2009