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niobiumUK:*UK and possibly other pronunciationsUK and possibly other pronunciations/naɪˈəʊbɪəm/US:USA pronunciation: respellingUSA pronunciation: respelling(nī ō′bē əm) No thesaurus entry found for 'niobium' ✓ See the definition of "niobium" in our monolingual dictionaryRecent forum discussions about thesaurus entries: No thread for "niobium"
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