mendelevium

 : 
Noun
 : 
men=de=le=vi=um

WORDNET DICTIONARY

Noun mendelevium has 1 sense

CIDE DICTIONARY

mendeleviuma. [From Dmitri Mendeleyev, discoverer of the periodic law.].
     an unstable radioactive element discovered in 1955 and produced artificially only in very small quantities; symbol Md (also Mv). It is a transuranic element with atomic number 101. Isotopes 255, 256, 257, and 258 have been prepared. Md258, the longest-lived, has a half-life of two months.  [PJC]

OXFORD DICTIONARY

mendelevium, n. Chem. an artificially made transuranic radioactive metallic element.

Usage
Symb.: Md.
Etymology
D. I. Mendeleev, Russ. chemist d. 1907

For further exploring for "mendelevium" in Webster Dictionary Online


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