天火字典

英英字典： niobite

niobite

(TTS Sound)

KK Pronunciation

〔 `naIәbaIt 〕

Pronunciation

〔 ˋnaiәbait 〕

Overview of noun niobite

The noun niobite has 1 sense

niobite, columbite -- (a black mineral that is an ore of niobium and tantalum)

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