Definition of roentgenium in English:

roentgenium

Syllabification: roent·gen·i·um
Pronunciation: /rentˈɡenēəm, rənt-
 
 
/

noun

The chemical element of atomic number 111, a radioactive element produced artificially. (Symbol: Rg)

Origin

21st century: named after Wilhelm Conrad Röntgen (see Röntgen, Wilhelm Conrad).

Definition of roentgenium in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day salmanazar
Pronunciation: ˌsalməˈneɪzə
noun
a wine bottle twelve times the standard size...