- Definitions|2
- Thesaurus|133
- Abbreviations|0
103 entries under element topic. ×
| nickel | |
| nitrogen | |
| nobelium | |
| osmium | |
| oxygen | |
| palladium | |
| phosphorus | |
| platinum | |
| plutonium | |
| polonium | |
| praseodymium | |
| promethium | |
| protactinium | |
| radium | |
| radon | |
| rhenium | |
| rhodium | |
| rubidium | |
| ruthenium | |
| samarium |
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| APA | Smart Define. (2015). niobium thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/niobium/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "niobium thesaurus" https://smartdefine.org/niobium/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, niobium thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/niobium/thesaurus/synonyms>. |
| MLA | Smart Define. "niobium thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/niobium/thesaurus/synonyms> |