Ununbium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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. 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.

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