bohrium

[ bawr-ee-uh m, bohr- ]
/ ˈbɔr i əm, ˈboʊr- /

noun Chemistry, Physics.

a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Bh; atomic number: 107.
Formerly unnilseptium, element 107.

Origin of bohrium

named after Danish physicist Niels Bohr; see -ium

Words nearby bohrium

bohr effect, bohr magneton, bohr radius, bohr theory, bohr, niels, bohrium, bohunk, boi, boiardo, boieldieu, boil

British Dictionary definitions for bohrium

bohrium
/ (ˈbɔːrɪəm) /

noun

a transuranic element artificially produced in minute quantities by bombarding 204 Bi atoms with 54 Cr nuclei. Symbol: Bh; atomic no: 107 Former names: element 107, unnilseptium

Word Origin for bohrium

C20: after Neils Bohr

Scientific definitions for bohrium

bohrium
[ bôr′ē-əm ]

Bh

A synthetic, radioactive element that is produced by bombarding bismuth with chromium ions. Its most long-lived isotopes have mass numbers of 261, 262, and 264 with half-lives of 11.8 milliseconds, 0.1 second, and 0.44 second, respectively. Atomic number 107. See Periodic Table.