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: B B- B. Ba Bb Bc Bd Be Bh Bi Bj Bk Bl Bm Bn Bo Bp Br Bs Bt Bu Bv Bw By
berit | berith | berk | berkeleian | berkeley | berkelium | berkshire | berkshire hills | berkshires | berlage | berlin

berkelium

 : 
Noun
 : 
ber=ke=li=um

CIDE DICTIONARY

berkeliumn. [from the city of Berkeley, California, location of the University of California campus where it was discovered.].
     a chemical element of the transuranic series. Chemical symbol Bk; atomic number 97; atomic weight 247. It is a radioactive element, with no stable isotopes; the longest-lived isotope is of mass number 247.07, decaying by alpha-emission with a half-life of 1,400 years. The isotope with atomic weight 249 has a half-life of 314 days, and was isolated in weighable quantities.  [WordNet 1.5]

OXFORD DICTIONARY

berkelium, n. Chem. a transuranic radioactive metallic element produced by bombardment of americium.

Usage
Symb.: Bk.
Etymology
mod.L f. Berkeley in California (where first made) + -IUM

For further exploring for "berkelium" in Webster Dictionary Online


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