Word Study
[2x]
: MÜ Mä Mæ Mé Mê Mö Mœ M- M. M1 M2 M3 M< Ma Mb Mc Md Me Mf Mg Mh Mi Mk Ml Mm Mn Mo Mp Mr Ms Mt Mu Mv Mw Mx My
mendelevium
CIDE DICTIONARY
mendelevium, a. [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
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