columbium
noun Etymology: New Latin, from Columbia Date: 1801 niobium

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Columbium — Co*lum bi*um, n. [NL., fr. Columbia America.] (Chem.) A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly… …   The Collaborative International Dictionary of English

  • Columbĭum — Columbĭum, nannte Hatchet das von ihm aus dem Columbit dargestellte Metall, von dem später bewiesen wurde, daß es mit dem fast zu gleicher Zeit von Ekeberg entdeckten Tantal identisch sei …   Pierer's Universal-Lexikon

  • columbium — COLÚMBIUM s.n. v. columbiu. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • columbium — The original name for niobium …   Elements of periodic system

  • columbium — [kə lum′bē əm] n. [ModL: so named (1801) by C. Hatchett (1765 1847), Brit chemist < COLUMBIA1 + IUM, because the ore had been brought from Massachusetts] former name for NIOBIUM …   English World dictionary

  • Columbium — Eigenschaften …   Deutsch Wikipedia

  • columbium — niobium i*o bi*um, n. [NL., fr. L. & E. {Niobe}.] (Chem.) The chemical element of atomic number 41. Chemical symbol Nb. Atomic weight 92.91. Previously called {columbium}. See also {Columbium}. [1913 Webster] …   The Collaborative International Dictionary of English

  • columbium — ● colombium ou columbium nom masculin Ancien nom du niobium …   Encyclopédie Universelle

  • columbium — niobis statusas T sritis chemija apibrėžtis Cheminis elementas. simbolis( iai) Nb atitikmenys: lot. niobium angl. columbium; niobium rus. ниобий …   Chemijos terminų aiškinamasis žodynas

  • columbium — niobis statusas T sritis fizika atitikmenys: angl. columbium; niobium vok. Niob, n rus. ниобий, m pranc. niobium, m …   Fizikos terminų žodynas

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