Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ununtrium

1 sense of ununtrium

Sense 1
ununtrium, Uut, element 113, atomic number 113 -- (a radioactive transuranic element)
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)