Europium Eu*ro"pi*um, n. [NL.; Europe + -ium, as in aluminium.] (Chem.) A metallic element of the rare-earth group (Lanthanide series), discovered spectroscopically by Demarcay in 1896. Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011); valence = +2 or +3. [Webster 1913 Suppl. +PJC]

The Collaborative International Dictionary of English. 2000.

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  • Europium — (pronEng|jʊˈroʊpiəm) is a chemical element with the symbol Eu and atomic number 63. It was named after the continent Europe. Characteristics Europium is the most reactive of the rare earth elements; it rapidly oxidizes in air, and resembles… …   Wikipedia

  • Europium — Samarium ← Europium → Gadolinium …   Wikipédia en Français

  • europium — [ ørɔpjɔm ] n. m. • 1901; de Europe ♦ Chim. Élément atomique (Eu; no at. 63; m. at. 151,96) de la série des lanthanides. ● europium nom masculin (de Europe) Métal du groupe des lanthanides ou terres rares, élément chimique de symbole Eu. (C est… …   Encyclopédie Universelle

  • europium — EURÓPIUM s.n. v. europiu. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • europium — Symbol: Eu Atomic number: 63 Atomic weight: 151.25 Soft silvery metallic element belonging to the lanthanoids. Eu 151 and Eu 153 are the only two stable isotopes, both of which are neutron absorbers. Discovered in 1889 by Sir William Crookes …   Elements of periodic system

  • europium — rare earth element, 1901, named by its discoverer, French chemist Eugène Demarçay (1852 1903) in 1896, from EUROPE (Cf. Europe) + ium …   Etymology dictionary

  • europium — [yo͞o rō′pē əm] n. [ModL: so named (1901) by E. A. Demarçay (1852 1904), Fr chemist < EUROPE + IUM] a chemical element, one of the rare earth elements, used as the red phosphor in color TVs: symbol, Eu; at. no., 63: see the periodic table of… …   English World dictionary

  • Europium — Eigenschaften …   Deutsch Wikipedia

  • europium — /yoo roh pee euhm, yeuh /, n. Chem. a rare earth metallic element whose salts are light pink. Symbol: Eu; at. wt.: 151.96; at. no.: 63. [1900 05; EUROPE + IUM] * * * ▪ chemical element  (Eu), chemical element, rare earth metal of the lanthanoid… …   Universalium

  • Europium — Eu|ro|pi|um 〈n.; s; unz.; chem. 〉 zu den Metallen der seltenen Erden gehörendes Element, Ordnungszahl 63 * * * Eu|ro|pi|um [nach Europa; ↑ ium (1)], das; s; Symbol: Eu: chem. Element aus der Lanthanidenreihe, Protonenzahl 63, AG 151,964. Eu ist… …   Universal-Lexikon

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