Search the dictionary

No entry for “protoactinium”.

Search the dictionary

Data (adapted): Wiktionary (CC BY-SA 4.0), Tatoeba (CC BY 2.0 FR), Open English WordNet (CC BY 4.0), CEFR-J, Octanove (CC BY-SA 4.0), wordfreq (CC BY-SA 4.0), CMUdict. Not affiliated with the Wikimedia Foundation or Tatoeba.