| 单词 | bohrium |
| 释义 | bohrium[ bawr-ee-uhm, 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 un·nil·sep·ti·um [yoo-nil-sep-tee-uhm], /ˌyu nɪlˈsɛp ti əm/, el·e·ment 107 . Origin of bohriumFirst recorded in 1970–75; named after Danish physicist Niels Bohr. Words nearby bohriumboho, Bohol, Bohr, Bohr atom, Bohr effect, bohrium, Bohr magneton, Bohr, Niels, Bohr radius, Bohr theory, bohunk Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for bohriumbohrium / (ˈbɔːrɪəm) / nouna 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 bohriumC20: after Neils Bohr 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 bohriumbohrium [ bôr′ē-əm ] n. Symbol BhA 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® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for bohriumbohrium [ bôr′ē-əm ] BhA 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® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。