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[men-dl-ee-vee-uh m] /ˌmɛn dlˈi vi əm/
noun, Chemistry, Physics.
a transuranic element. Symbol: Md, Mv; atomic number: 101.
Origin of mendelevium
1950-55; named after D. I. Mendeleev; see -ium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for mendelevium


a transuranic element artificially produced by bombardment of einsteinium. Symbol: Md; atomic no: 101; half-life of most stable isotope, 258Md: 60 days (approx.); valency: 2 or 3
Word Origin
C20: named after D. I. Mendeleyev
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 mendelevium

1955, Modern Latin, in honor of Dmitri Ivanovich Mendeleev.

Online Etymology Dictionary, © 2010 Douglas Harper
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mendelevium in Medicine

mendelevium men·de·le·vi·um (měn'də-lē'vē-əm)
Symbol Md
A synthetic radioactive element; its most stable isotope is Md 258 with a half-life of 56 days. Atomic number 101.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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mendelevium in Science
Symbol Md
A synthetic, radioactive metallic element of the actinide series that is produced by bombarding einsteinium with helium ions. Its most stable isotope is Md 258 with a half-life of approximately 51.5 days. Atomic number 101. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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