A radioactive transuranic element synthesized from californium

Wiktionary Word definitions in Wiktionary
n. A transuranic chemical element (''symbol'' Lr, ''formerly'' Lw) with atomic number 103.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1961, Modern Latin, from the name of Ernest O. Lawrence (1901-1958), U.S. physicist, cyclotron pioneer and founder of the lab where it was discovered.

WordNet Word definitions in WordNet
n. a radioactive transuranic element synthesized from californium [syn: Lw , atomic number 103 ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
lawrencium \lawrencium\ n. [from Ernest O. Lawrence, inventer of the cyclotron.] 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 ...

Wikipedia Word definitions in Wikipedia
Lawrencium is a synthetic chemical element with chemical symbol Lr (formerly Lw ) and atomic number 103. It is named in honor of Ernest Lawrence , inventor of the cyclotron , a device that was used to discover many artificial radioactive elements. A radioactive ...