Meanings
noununtriseptium (uncountable)
- uncountableThe systematic element name for the (as yet undiscovered) chemical element with atomic number 137 (symbol Uts).
Synonyms: feynmanium
Synonyms & antonyms
nounThe systematic element name for the (as yet undiscovered) chemical element with atomic number 137 (symbol Uts).
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Also see
Origin
Systematic element name, from un- + tri- + sept- + -ium.
Full word history & related roots →Cite this entry
APA
untriseptium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/untriseptium
MLA
“untriseptium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/untriseptium. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “untriseptium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/untriseptium.
Source: untriseptium on Wiktionary, CC BY-SA 4.0.