98 entries under element topic. ×
| iron | |
| krypton | |
| lanthanum | |
| lead | |
| lithium | |
| lutetium | |
| magnesium | |
| manganese | |
| mendelevium | |
| mercury | |
| molybdenum | |
| neodymium | |
| neon | |
| neptunium | |
| nickel | |
| niobium | |
| nitrogen | |
| nobelium | |
| osmium | |
| oxygen |
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| APA | Smart Define. (2013). actinium thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/actinium/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "actinium thesaurus" https://smartdefine.org/actinium/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2013, actinium thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/actinium/thesaurus/synonyms>. |
| MLA | Smart Define. "actinium thesaurus" 17 June 2013. Web. 24 September 2026. <https://smartdefine.org/actinium/thesaurus/synonyms> |