lawrencium

[ law-ren-see-uh m ]
/ lɔˈrɛn si əm /

noun Chemistry.

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

Origin of lawrencium

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

Words nearby lawrencium

lawrence, lawrence frame, lawrence of arabia, lawrence, d. h., lawrenceburg, lawrencium, lawrentian, laws of motion, lawson, lawson criterion, lawson cypress

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

Medical definitions for lawrencium

lawrencium
[ lô-rĕn′sē-əm, lō- ]

n. Symbol Lr

A radioactive synthetic element produced from californium and having isotopes with mass numbers 253 through 260 and half-lives of 650 milliseconds to 3 minutes; atomic number 103.

Scientific definitions for lawrencium

lawrencium
[ lô-rĕn′sē-əm ]

Lr

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.