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niobium
niobium - Dictionary definition and meaning for word
niobium
Definition
(noun) a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
Synonyms
:
atomic number 41
,
nb
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Oxford Picture Dictionary
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504 Absolutely Essential Words 6th Edition
English Vocabulary in Use Advanced with CD-ROM: Vocabulary Reference and Practice 2nd Edition
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