Meaning
The former systematic element name for the chemical element with atomic number 112 (symbol Uub), which has been officially changed to copernicium.
Etymology
Origin: Unknown
Systematic element name, from un- + un- + bi- + -ium.
Synonyms & Antonyms
Synonyms
eka-mercuryuub
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2025, 2026.