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[noh-bel-ee-uh m, -bee-lee-] /noʊˈbɛl i əm, -ˈbi li-/
noun, Chemistry, Physics.
a transuranic element in the actinium series. Symbol: No; atomic number: 102.
Origin of nobelium
1955-60; < New Latin; after Nobel Institute, where first discovered; see -ium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for nobelium


a transuranic element produced artificially from curium. Symbol: No; atomic no: 102; half-life of most stable isotope, 255No: 180 seconds (approx.); valency: 2 or 3
Word Origin
C20: New Latin, named after Nobel Institute, Stockholm, where it was discovered
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
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Word Origin and History for nobelium

1957, from Nobel + -ium.

Online Etymology Dictionary, © 2010 Douglas Harper
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nobelium in Medicine

nobelium no·bel·i·um (nō-běl'ē-əm)
Symbol No
A radioactive synthetic element in the actinide series; its longest-lived isotope is No 259 with a half-life of 58 minutes. Atomic number 102.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nobelium in Science
Symbol No
A synthetic, radioactive metallic element in the actinide series that is produced by bombarding curium with carbon ions. Its longest-lived isotope is No 255 with a half-life of 3.1 minutes. Atomic number 102. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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