[ noh-bel-ee-uhm, -bee-lee- ]
/ noʊˈbɛl i əm, -ˈbi li- /
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noun Chemistry, Physics.
a transuranic element in the actinium series. Symbol: No; atomic number: 102.
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Origin of nobelium

1955–60; <New Latin; after Nobel Institute, where first discovered; see -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for nobelium

/ (nəʊˈbiːlɪəm) /

a transuranic element produced artificially from curium. Symbol: No; atomic no: 102; half-life of most stable isotope, 255 No: 180 seconds (approx.); valency: 2 or 3

Word Origin for nobelium

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

Medical definitions for nobelium

[ nō-bĕlē-əm ]

n. 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.

Scientific definitions for nobelium

[ nō-bĕlē-əm ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.