seaborgium

[ see-bawr-gee-uh m, see-bawr- ]
/ siˈbɔr gi əm, ˈsi bɔr- /

noun Chemistry, Physics.

a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Sg; atomic number: 106.
Formerly unnilhexium, element 106.

Origin of seaborgium

named after U.S. chemist Glenn T. Seaborg; see -ium

Words nearby seaborgium

seabird, seablite, seaboard, seaboot, seaborg, seaborgium, seaborne, seabright bantam syndrome, seabury, seacoast, seacock

British Dictionary definitions for seaborgium

seaborgium
/ (ˈsiːbɔːɡɪəm) /

noun

a synthetic transuranic element, synthesized and identified in 1974. Symbol: Sg; atomic no: 106

Word Origin for seaborgium

C20: named after Glenn Seaborg

Scientific definitions for seaborgium

seaborgium
[ sē-bôr′gē-əm ]

Sg

A synthetic, radioactive element that is produced by bombarding californium with oxygen ions or bombarding lead with chromium ions. Its most long-lived isotopes have mass numbers 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds, respectively. Atomic number 106. See Periodic Table.