ELEMENT 111

 I. (noun) 

Sense 1

Meaning:

A radioactive transuranic element

Synonyms:

atomic number 111; element 111; Rg; roentgenium

Classified under:

Nouns denoting substances

Hypernyms ("element 111" is a kind of...):

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)

Credits