Meaning of röntgenium | Babel Free
/ˈrøntɡenium/Määritelmät
roentgenium
Vastineet
English
roentgenium
CEFR-taso
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.