mendelevium

[ 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for mendelevium

mendelevium
/ (ˌmɛndɪˈliːvɪəm) /

noun

a transuranic element artificially produced by bombardment of einsteinium. Symbol: Md; atomic no: 101; half-life of most stable isotope, 258 Md: 60 days (approx.); valency: 2 or 3

Word Origin for mendelevium

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

Medicine definitions for mendelevium

mendelevium
[ mĕn′də-lēvē-əm ]

n. 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.

Science definitions for mendelevium

mendelevium
[ mĕn′də-lēvē-əm ]

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