Untriseptium

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
The systematic element name for the (as yet undiscovered) chemical element with atomic number 137 (symbol Uts). uncountable

Synonyms

element 137 feynmanium

Etymology

Systematic element name.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.