What does "roentgenium" mean?

A transuranic chemical element (symbol Rg) with atomic number 111.

What is a synonym for "roentgenium"?

Common synonyms include: atomic number 111, element 111, rg.

Pronounced //ɹɛntˈɡɛniəm//.

/ɹɛntˈɡɛniəm/ noun

noun ·Rare ·Advanced level

Noun

1
A transuranic chemical element (symbol Rg) with atomic number 111. uncountable
2
a radioactive transuranic element, with atomic number 111 wordnet

From Roentgen + -ium. Named after Wilhelm Roentgen.