radiopromethium
English
[edit]Etymology
[edit]From radio- + promethium.
Noun
[edit]radiopromethium (uncountable)
- Radioactive promethium.
Usage notes
[edit]The radio- prefix is redundant as all isotopes of promethium are radioactive.
From radio- + promethium.
radiopromethium (uncountable)
The radio- prefix is redundant as all isotopes of promethium are radioactive.