dysprosium

dysprosium
A metallic element of the lanthanide (rare earth) series, atomic no. 66, atomic wt. 162.50. [G. dysprositos, hard to get at]

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dys·pro·si·um dis-'prō-zē-əm, -zh(ē-)əm n an element of the rare-earth group that forms highly magnetic compounds symbol Dy see ELEMENT (table)

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dys·pro·si·um (Dy) (dis-proґse-əm) one of the rare earth elements, atomic number 66, atomic weight 162.50.

Medical dictionary. 2011.

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  • Dysprosium — (pronEng|dɪsˈproʊziəm) is a chemical element with the symbol Dy and atomic number 66. Characteristics Dysprosium is a rare earth element that has a metallic, bright silver luster, relatively stable in air at room temperature, but dissolving… …   Wikipedia

  • Dysprosium — Terbium ← Dysprosium → Holmium …   Wikipédia en Français

  • dysprosium — * * * dysprosium [ disprozjɔm ] n. m. • 1886; gr. dusprositos « difficile à atteindre » ♦ Chim. Élément atomique (Dy; no at. 66; m. at. 162,5), métal du groupe des terres rares d éclat métallique analogue à celui de l argent. * * * ● dysprosium… …   Encyclopédie Universelle

  • dysprosium — Symbol: Dy Atomic number: 66 Atomic weight: 162.50 Metallic with a bright silvery white lustre. Dysprosium belongs to the lanthanoids. It is relatively stable in air at room temperatures, it will however dissolve in mineral acids, evolving… …   Elements of periodic system

  • Dysprosium — Dys*pro si*um, n. [NL., fr. Gr. dyspro sitos hard to get at.] (Chem.) An element of the rare earth group. Symbol Dy; at. wt., 162.5. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • dysprosium — element, obtained 1906 from an earth discovered in 1886, the last to be extracted from the complex earth called yttria, and named dysprosia in reference to the difficulty of obtaining it, from Gk. dysprositos hard to get at, difficult of access,… …   Etymology dictionary

  • Dysprosium — Eigenschaften …   Deutsch Wikipedia

  • dysprosium — noun a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic • Syn: ↑Dy, ↑atomic number 66 • Hypernyms: ↑metallic element, ↑metal * * * də̇ˈsprōzēəm noun ( s …   Useful english dictionary

  • Dysprosium — Dys|pro|si|um 〈n.; s; unz.; chem. 〉 chem. Element, Metall der seltenen Erden [zu grch. dysprositos „schwer zu erlangen“] * * * Dys|pro|si|um [griech. dysprósitos = schwer zugänglich; ↑ ium (1)], das; s; Symbol: Dy; chem. Element, Protonenzahl 66 …   Universal-Lexikon

  • dysprosium — /dis proh see euhm, shee /, n. Chem. a rare earth metallic element, highly reactive and paramagnetic, found in small amounts in various rare earth minerals, as euxenite and monazite: used to absorb neutrons in nuclear reactors. Symbol: Dy; at. wt …   Universalium

  • dysprosium — noun Etymology: New Latin, from Greek dysprositos hard to get at, from dys + prositos approachable, from prosienai to approach, from pros + ienai to go more at issue Date: 1886 an element of the rare earth group that forms highly magnetic… …   New Collegiate Dictionary

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