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lawrencium

 : 
Noun
 : 
law=ren=ci=um

CIDE DICTIONARY

lawrenciumn. [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

For further exploring for "lawrencium" in Webster Dictionary Online


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