Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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. cross-reference: Periodic Table.
from the GNU version of the Collaborative International Dictionary of English.
- noun A transuranic element of atomic number 103. It was discovered in 1961 by bombardment of californium in a cyclotron with boron nuclei. Other isotopes were prepared in 1965 at Dubna. The atomic weight of the most stable isotope is 256, having a half-life of 35 seconds. Symbol Lr.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
transuranic chemical element (symbol Lr, formerly Lw) withatomic number 103.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a radioactive transuranic element synthesized from californium
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Ernest Orlando Lawrence.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Named for Ernest Lawrence.
Support
Help support Wordnik (and make this page ad-free) by adopting the word lawrencium.
Examples
-
Lawrence Berkeley Laboratory at Berkeley, California; Lawrence Livermore National Laboratory at Livermore, California; and element 103, lawrencium, were all named in his honor.
-
The Lawrence Berkeley Laboratory has produced a dozen superheavy elements called transuranics and bear such names as berkelium, californium, lawrencium and seaborgium.
SFGate: Top News Stories David Perlman 2010
-
The list comes to some 103, ranging from the most abundant and simplest of all, hydrogen, to the transuranic monsters, nobelium and lawrencium.
oroboros commented on the word lawrencium
Lr.
December 16, 2007