Columbĭum
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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
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
columbium — noun Etymology: New Latin, from Columbia Date: 1801 niobium … New Collegiate Dictionary
