| 单词 | californium |
| 释义 | californium[ kal-uh-fawr-nee-uhm ] / ˌkæl əˈfɔr ni əm / noun Chemistry.a transuranic element. Symbol: Cf; atomic number: 98. Origin of californium1945–50; named after the University of California where it was discovered; see -ium Words nearby californiumCalifornia roll, California rose, California rosebay, California virus, californite, californium, caliginous, Caligula, calimanco, Calimere, calimocho Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for californiumcalifornium / (ˌkælɪˈfɔːnɪəm) / nouna metallic transuranic element artificially produced from curium. Symbol: Cf; atomic no: 98; half-life of most stable isotope, 251 Cf: 800 years (approx.) Word Origin for californiumC20: New Latin; discovered at the University of California 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 californiumcalifornium [ kăl′ə-fôr′nē-əm ] n. Symbol CfA synthetic radioactive element produced in trace quantities by neutron bombardment of curium. Its most stable isotope, Cf 251, has a half-life of 790 years. Atomic number 98. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for californiumcalifornium [ kăl′ə-fôr′nē-əm ] CfA synthetic, radioactive metallic element of the actinide series that is produced from curium or berkelium and is used in chemical analyses. Its most stable isotope, Cf 251, has a half-life of 800 years. Atomic number 98. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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