lawrencium

n.

1.

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.

Noun

1.

lawrencium - a radioactive transuranic element synthesized from californium Synonyms: atomic number 103, Lw

atomic number 103, chemical element, element, Lw