bn:00006872n
Noun Concept
Categories: Niobium, BCC crystal habit, Chemical elements, Articles with short description, All articles containing potentially dated statements
EN
niobium  Nb  atomic number 41  41Nb  Cb
EN
A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium WordNet 3.0
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EN
A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium WordNet 3.0 & Open English WordNet
Niobium is a chemical element; it has symbol Nb and atomic number 41. Wikipedia
Symbol Nb, a chemical element Wikipedia Disambiguation
Chemical element with symbol Nb and atomic number 41 Wikidata
Chemical element with symbol Nb and atomic number 41, shiny grey transition metal. OmegaWiki
A chemical element (symbol Nb) with an atomic number of 41: a light grey, crystalline, ductile transition metal used in superconducting materials. Wiktionary
Chemical element. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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OmegaWiki
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