Dictionary.com
Thesaurus.com

mendelevium

American  
[men-dl-ee-vee-uhm] / ˌmɛn dlˈi vi əm /

noun

Chemistry, Physics.
  1. a transuranic element. Md, Mv; 101.


mendelevium British  
/ ˌmɛndɪˈliːvɪəm /

noun

  1. 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

"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

mendelevium Scientific  
/ mĕn′də-lēvē-əm /
  1. 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.

  2. See Periodic Table


Etymology

Origin of mendelevium

1950–55; named after D. I. Mendeleev; -ium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The naming of elements No. 100 and No. 101, fermium and mendelevium, had caused little stir, but that relative calm soon shattered.

From The New Yorker

Over the course of 30 years, his inventions contributed to the discovery of americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, rutherfordium, dubnium and seaborgium.

From New York Times

Many are named after great scientists: einsteinium, curium, fermium, mendelevium, bohrium and rutherfordium.

From BBC

There is also mendelevium, named after, the Russian scientist who established the first periodic table in 1869, and fitted the known elements into their places in the table based on their properties.

From BBC