Discovered by bombarding americium with helium

• A radioactive transuranic element

Wiktionary Word definitions in Wiktionary
n. A transuranic chemical element (''symbol'' Bk) with an atomic number of 97.

Wikipedia Word definitions in Wikipedia
Berkelium is a transuranic radioactive chemical element with symbol Bk and atomic number 97. It is a member of the actinide and transuranium element series. It is named after the city of Berkeley, California , the location of the University of California ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
berkelium \ber*ke"li*um\ (b[~e]r*k[=e]"l[-e]*[u^]m), n. [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; ...

WordNet Word definitions in WordNet
n. a radioactive transuranic element; discovered by bombarding americium with helium [syn: Bk , atomic number 97 ]