1
tungsten(noun, element)
1
uranium(noun, element)
1
vanadium(noun, element)
1
xenon(noun, element)
1
ytterbium(noun, element)
1
yttrium(noun, element)
1
zinc(noun, element)
1
zirconium(noun, element)
0
atomic number(expression, idiom)
0
catch a wink(expression, idiom)
0
chemical element
0
chemical element nb(expression, idiom)
0
metallic element(expression, idiom)
0
nazism
0
north by east(expression, idiom)
0
north by west(expression, idiom)
0
nota bene(expression, idiom)
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APASmart Define. (2015). niobium thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/niobium/thesaurus/synonyms
ChicagoSmart Define. 2015. "niobium thesaurus" https://smartdefine.org/niobium/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, niobium thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/niobium/thesaurus/synonyms>.
MLASmart Define. "niobium thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/niobium/thesaurus/synonyms>