Ununbium
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The former systematic element name for the chemical element with atomic number 112 (symbol Uub), which has been officially changed to copernicium. uncountable
- 2 a radioactive transuranic element, with atomic number 112 wordnet
Example
More examples"Ununbium is the chemical element with symbol Uub and atomic number 112."
Etymology
Systematic element name, from un- + un- + bi- + -ium.
More for "ununbium"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.