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bohrium

[ bawr-ee-uhm, bohr- ]
/ 藞b蓴r i 蓹m, 藞bo蕣r- /
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noun Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Bh; atomic number: 107.
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Formerly un路nil路sep路ti路um [yoo-nil-sep-tee-uhm], /藢yu n瑟l藞s蓻p ti 蓹m/, el路e路ment 107 .

Origin of bohrium

First recorded in 1970鈥75; named after Danish physicist Niels Bohr.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

British Dictionary definitions for bohrium

bohrium
/ (藞b蓴藧r瑟蓹m) /

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

Word Origin for bohrium

C20: after Neils Bohr
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

Medical definitions for bohrium

bohrium
[ b么r膿-蓹m ]

n. Symbol Bh
A radioactive synthetic element whose most long-lived isotopes have mass numbers of 261, 262, and 264 with half-lives of 11.8 milliseconds, 0.1 seconds, and 0.44 seconds. Atomic number 107.
The American Heritage庐 Stedman's Medical Dictionary Copyright 漏 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for bohrium

bohrium
[ b么r膿-蓹m ]

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