Word Study
lawrencium
CIDE DICTIONARY
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 Dubna. The atomic weight of the most stable isotope is 256, having a half-life of 35 seconds. Symbol Lr. [WordNet 1.5]
OXFORD DICTIONARY
lawrencium, n. Chem. an artificially made transuranic radioactive metallic element.
Usage
Symb.: Lw.
Etymology
E. O. Lawrence, Amer. physicist d. 1958
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