lutetium
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lu·te·ti·um
also lu·te·ci·um (lo͞o-tē′shē-əm)n. Symbol Lu
A silvery-white element of the lanthanide series that is exceptionally difficult to separate from the other rare-earth elements with which it is found, used in nuclear technology. Atomic number 71; atomic weight 174.97; melting point 1,663°C; boiling point 3,402°C; specific gravity 9.841 (at 25°C); valence 3. See Periodic Table.
[Latin Lutetia, ancient name of Paris, France (where it was discovered) + -ium.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
lutetium
(lʊˈtiːʃɪəm) orlutecium
n
(Elements & Compounds) a silvery-white metallic element of the lanthanide series, occurring in monazite and used as a catalyst in cracking, alkylation, and polymerization. Symbol: Lu; atomic no: 71; atomic wt: 174.967; valency: 3; relative density: 9.841; melting pt: 1663°C; boiling pt: 3402°C
[C19: New Latin, from Latin Lūtētia ancient name of Paris, home of G. Urbain (1872–1938), French chemist, who discovered it]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
lu•te•ti•um
(luˈti ʃi əm)n.
a trivalent rare-earth element. Symbol: Lu; at. wt.: 174.97; at. no.: 71.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
lu·te·ti·um
(lo͞o-tē′shē-əm) Symbol Lu A silvery-white metallic element of the lanthanide series that is used in nuclear technology. Its radioactive isotope is used to find the age of meteorites. Atomic number 71. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. |  lutetium - a trivalent metallic element of the rare earth group; usually occurs in association with yttriummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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Translations
lutetium
لوتيتيوم
лютеций
lutecium
lutetium
LutetiumCassiopeium
lutecio
luteetsium
lutetium
lutécium
lutecij
lutécium
ルテチウム
lutetium
lutetium
lutetium
lutet
lutécio
luteţiu
lutecium
lutecij
lütesyum
Luteti
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
lutetium
n (Chem) → Lutetium nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007