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From The Collaborative International Dictionary of English v.0.44 [gcide]:
niobite \ni"o*bite\, noun (Min.) Same as {Columbite}.
From WordNet (r) 2.0 [wn]:
niobite
noun: a black mineral that is an ore of niobium and tantalum [syn: {columbite}]
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Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |