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Definition of niobite in English:

niobite

noun

Mineralogy

  • = "columbite".

Pronunciation

niobite

/ˈnʌɪə(ʊ)bʌɪt/ /nʌɪˈəʊbʌɪt/

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher.