A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium. Synonyms: atomic number 41, niobium.
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"Nb" Quotes from Famous Books — Some Roundabout Papers • W. M. Thackeray |
Words linked to "Nb" : metallic element, note, notation, N.B., metal, columbite, annotation, niobite, columbium |
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