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Niobid

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• Niobite

  /ˈnaɪəˌbaɪt/ noun 1. another name for columbite

• Niobium

  [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 […]

• Niobous

  [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

• Niobrara

  [nahy-uh-brair-uh] /ˌnaɪ əˈbrɛər ə/ noun 1. a river flowing E from E Wyoming through Nebraska to the Missouri. 431 miles (692 km) long.

• Niort

  [nyawr] /nyɔr/ noun 1. a city in and the capital of Deux-Sèvres, in W France. [dœ-se-vruh] /dœˈsɛ vrə/ noun 1. a department in W France. 2338 sq. mi. (6055 sq. km). Capital: Niort. /French njɔr/ noun 1. a market town in W France. Pop: 56 663 (1999) /French døsɛvrə/ noun 1. a department of W […]

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