lawrencium

[ law-ren-see-uhm ]

nounChemistry.

a synthetic, radioactive, metallic element. Symbol: Lr; atomic number: 103.

Origin of lawrencium

1960–65; Lawrence Radiation Laboratory, Berkeley, California + -ium

Words Nearby lawrencium

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British Dictionary definitions for lawrencium

lawrencium

/ (lɒˈrɛnsɪəm, lɔː-) /

noun

a transuranic element artificially produced from californium. Symbol: Lr; atomic no: 103; half-life of most stable isotope, 256 Lr: 35 seconds; valency: 3

Origin of lawrencium

C20: named after Ernest Orlando Lawrence (1901–58), US physicist

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lawrencium

lawrencium

[ lô-rĕn′sē-əm ]

A synthetic, radioactive metallic element of the actinide series that is produced by bombarding californium with boron ions. Its most stable isotope is Lr 262 with a half-life of 3.6 hours. Atomic number 103. See Periodic Table.

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