ununtrium.
The systematic element name for the chemical element with atomic number 113 (symbol Uut). The element is now named nihonium.
Meaning & usage
The systematic element name for the chemical element with atomic number 113 (symbol Uut). The element is now named nihonium.
Where this word comes from
Systematic element name, from un- + un- + tri- + -ium.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.