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Meaning of NIOBIUM

Pronunciation:  nI'owbeeum

WordNet Dictionary
 
 Definition: [n]  a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium
 
 Websites: 
 
 Synonyms: atomic number 41, Nb
 
 See Also: columbite, columbium, metal, metallic element, niobite

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Ni*o"bi*um\, n. [NL., fr. L. & E. {Niobe}.] (Chem.)
A later name of columbium. See {Columbium}.
 

 

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