Niobic-acid
noun, Chemistry.
1.
a white, water-insoluble solid, Nb 2 O 5 ⋅nH 2 O.
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[nahy-oh-bee-uh m] /naɪˈoʊ bi əm/ noun, Chemistry. 1. a steel-gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels. Symbol: Nb; atomic number: 41; atomic weight: 92.906; specific gravity: 8.4 at 20°C. /naɪˈəʊbɪəm/ noun 1. a ductile white superconductive metallic element that occurs principally in […]
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[nahy-oh-buh s] /naɪˈoʊ bəs/ adjective 1. Chemistry. containing trivalent , as niobous chloride, NbCl 3 . 2. of or relating to . /naɪˈəʊbəs/ adjective 1. of or containing niobium in the trivalent state Also columbous
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