mendelevium

Noun
Synonyms: MdMvatomic number 101

WordNet 3.0

Noun (1)

  1. a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium but Mv was formerly the symbol)Synonyms: MdMvatomic number 101
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Webster's Dictionary (GCIDE)

mendelevium \men*de*le"vi*um\ (m[e^]n*d[e^]*l[=e]"v[=e]*[u^]/m), a. [From Dmitri Mendeleyev, discoverer of the periodic law.] (Chem.) 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. --HCP61 [PJC]

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