| 单词 | seaborgium |
| 释义 | seaborgium[ see-bawr-gee-uhm, 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 un·nil·hex·i·um [yoo-nil-hek-see-uhm], /ˌyu nɪlˈhɛk si əm/, el·e·ment 106 . Origin of seaborgiumNamed after U.S. chemist Glenn T. Seaborg; see -ium. Words nearby seaborgiumsea blite, sea blubber, seaboard, seaboot, Seaborg, seaborgium, sea-born, seaborne, sea bread, sea bream, sea breeze Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for seaborgiumseaborgium / (ˈsiːbɔːɡɪəm) / nouna synthetic transuranic element, synthesized and identified in 1974. Symbol: Sg; atomic no: 106 Word Origin for seaborgiumC20: named after Glenn Seaborg Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for seaborgiumseaborgium [ sē-bôr′gē-əm ] n. Symbol SgA radioactive synthetic element whose longest-lived isotopes have mass numbers of 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds. Atomic number 106. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for seaborgiumseaborgium [ sē-bôr′gē-əm ] SgA 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® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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