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niobous

[nahy-oh-buh s] /naɪˈoʊ bəs/
adjective
1.
Chemistry. containing trivalent niobium, as niobous chloride, NbCl 3 .
2.
of or pertaining to niobium.
Origin
1860-1865
1860-65; niob(ium) + -ous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for niobous

niobous

/naɪˈəʊbəs/
adjective
1.
of or containing niobium in the trivalent state Also columbous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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