niobic

niobic

[nahy-oh-bik, -ob-ik]
adjective Chemistry.
1.
of or pertaining to niobium; columbic.
2.
of or derived from niobic acid.

Origin:
1835–45; niob(ium) + -ic

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World English Dictionary
niobic (naɪˈəʊbɪk, -ˈɒbɪk)
 
adj
Also: columbic of or containing niobium in the pentavalent state

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