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Bergsonism
beriberi
Bering land bridge
Bering Sea
Bering Strait
berk
Berkeleianism
Berkeley
berkelium
Berks.
Berkshire Hills
berley
Berlin
berlin
Berlin Wall
Berlin wool
Berlin woolwork
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berkelium
ber·ke·li·um [ bər klee əm, búrklee əm ]


noun 
Definition:
 
synthetic radioactive element: a synthetic radioactive element. Source: bombardment of americium-241 with helium ions.
Symbol  Bk
[Mid-20th century. After Berkeley, California]
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