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niobic

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

Origin of niobic

First recorded in 1835–45; niob(ium) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for niobic

niobic

adjective
  1. of or containing niobium in the pentavalent stateAlso: columbic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012