单词 | einsteinium |
释义 | einsteinium[ ahyn-stahy-nee-uhm ] / aɪnˈstaɪ ni əm / noun Chemistry, Physics.a transuranic element. Symbol: Es; atomic number: 99. Origin of einsteinium1950–55; named after Albert Einstein; see -ium Words nearby einsteiniumeinkorn, Einstein, Einstein, Albert, Einstein equation, Einsteinian, einsteinium, Einstein model, Einstein shift, Einstein's mass-energy law, Einstein's photoelectric equation, Einstein's photoelectric law Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for einsteiniumeinsteinium / (aɪnˈstaɪnɪəm) / nouna metallic transuranic element artificially produced from plutonium. Symbol: Es; atomic no: 99; half-life of most stable isotope, 252 Es: 276 days Word Origin for einsteiniumC20: New Latin, named after Albert Einstein 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 einsteiniumeinsteinium [ īn-stī′nē-əm ] n. Symbol EsA radioactive transuranic element synthesized by neutron irradiation of plutonium or other elements. Its longest-lived isotope is Es 254 with a half-life of 275 days. Atomic number 99. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for einsteiniumeinsteinium [ īn-stī′nē-əm ] EsA synthetic, radioactive metallic element of the actinide series that is usually produced by bombarding plutonium or another element with neutrons. It was first isolated in a region near the explosion site of a hydrogen bomb. Its longest-lived isotope is Es 254 with a half-life of 276 days. Atomic number 99; melting point 860°C. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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