lawrencium

[ law-ren-see-uhm ]

/ lɔˈrɛn si əm /

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noun Chemistry.

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

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Origin of lawrencium

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

Words nearby lawrencium

Lawrence, Lawrenceburg, Lawrence, D. H., Lawrence frame, Lawrence of Arabia, lawrencium, Lawrentian, Law Society, laws of motion, Lawson, Lawson criterion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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

Word Origin for 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.