Dictionary.com

seaborgium

[ see-bawr-gee-uhm, see-bawr- ]
/ si藞b蓴r gi 蓹m, 藞si b蓴r- /
Save This Word!

noun Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Sg; atomic number: 106.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can鈥檛 figure out _____ gave me this gift.
Formerly un路nil路hex路i路um [yoo-nil-hek-see-uhm], /藢yu n瑟l藞h蓻k si 蓹m/, el路e路ment 106 .

Origin of seaborgium

Named after U.S. chemist Glenn T. Seaborg; see -ium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

British Dictionary definitions for seaborgium

seaborgium
/ (藞si藧b蓴藧伞瑟蓹m) /

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

Word Origin for seaborgium

C20: named after Glenn Seaborg
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for seaborgium

seaborgium
[ s膿-b么rg膿-蓹m ]

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.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK