Meanings
nounununnilium (uncountable)
- dateduncountablechemistryFormer name of darmstadtium.
Synonyms & antonyms
Also see
Origin
Systematic element name, from un- + un- + nil- + -ium.
Full word history & related roots →Translations
German Ununnilium
- Ununniliumdarmstadtium
Rhymes & wordplay
Anagrams
Cite this entry
APA
ununnilium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ununnilium
MLA
“ununnilium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ununnilium. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “ununnilium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ununnilium.
Source: ununnilium on Wiktionary, CC BY-SA 4.0.