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  1.                 From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
                

    
                
                  
    Niobium /nɪˈoːbiːˌʊm/ (Nb /ˌɛnbˈeː/) <neut, n, sg>
 [chem.] niobium <n>
         Note: Niob