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]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Mendelevium — Mendélévium Mendélévium Ferm …   Wikipédia en Français

  • Mendélévium — Fermium ← Mendélévium → Nobélium Tm …   Wikipédia en Français

  • mendélévium — [ mɛ̃delevjɔm ] n. m. • 1955; de Mendeleïev, chimiste russe ♦ Chim., phys. Élément atomique (Md; no at. 101; m. at. [de l isotope de plus longue période] 258) de la série des actinides, produit artificiellement par bombardement d einsteinium 256… …   Encyclopédie Universelle

  • mendelevium — Symbol: Md Atomic number: 101 Atomic weight: (256) Radioactive metallic transuranic element. Belongs to the actinoid series. Only known isotope, Md 256 has a half life of 1.3 hours. First identified by Glenn T. Seaborg, Albert Ghiorso and… …   Elements of periodic system

  • mendelevium — 1955, Modern Latin, in honor of Dmitri Ivanovich Mendeleev …   Etymology dictionary

  • mendelevium — ☆ mendelevium [men΄də lē′vē əm ] n. [ModL: so named in honor of MENDELEEV Dmitri Ivanovich by its discoverers, A. Ghiorso, B. G. Harvey, G. R. Choppin, S. G. Thompson, & G. T. Seaborg, U.S. physicists] a radioactive, metallic chemical element,… …   English World dictionary

  • Mendelevium — fermium ← mendelevium → nobelium Tm ↑ Md ↓ (Upu) …   Wikipedia

  • Mendelevium — Eigenschaften …   Deutsch Wikipedia

  • mendelevium — /men dl ee vee euhm/, n. Chem., Physics. a transuranic element. Symbol: Md, Mv; at. no.: 101. [1950 55; named after D. I. MENDELEEV; see IUM] * * * ▪ chemical element  (Md),    synthetic chemical element of the actinoid series of the periodic… …   Universalium

  • Mendelevium — mendelevis statusas T sritis fizika atitikmenys: angl. mendelevium vok. Mendelevium, n rus. менделевий, m pranc. mendélévium, m …   Fizikos terminų žodynas

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