lawrencium
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law·ren·ci·um
(lô-rĕn′sē-əm, lō-)n. Symbol Lr
A synthetic, radioactive metallic element of the actinide series that is produced by bombarding californium with boron ions. The most stable confirmed isotope is Lr-262 with a half-life of approximately 4 hours; atomic number 103. See Periodic Table.
[After Ernest Orlando Lawrence.]
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.
lawrencium
(lɒˈrɛnsɪəm; lɔː-)n
(Elements & Compounds) a transuranic element artificially produced from californium. Symbol: Lr; atomic no: 103; half-life of most stable isotope, 256Lr: 35 seconds; valency: 3
[C20: named after Ernest Orlando Lawrence (1901–58), US physicist]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
law•ren•ci•um
(lɔˈrɛn si əm)n.
a synthetic, radioactive, metallic element, the last of the actinide series. Symbol: Lr; at. no.: 103.
[1960–65; Lawrence Radiation Laboratory, Berkeley, California + -ium2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
law·ren·ci·um
(lô-rĕn′sē-əm) Symbol Lr A synthetic, radioactive metallic element of the actinide series that is produced by bombarding californium with boron ions. Its most stable isotope has a half-life of 3.6 hours. Atomic number 103. 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. |  lawrencium - a radioactive transuranic element synthesized from californiumchemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
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Translations
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lavrentsium
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lawrencij
laurencium
laurenzio
ローレンシウム
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lorentiyum
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
lawrencium
n (Chem) → Lawrencium nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007