protactinium

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Pronunciation

• (British) IPA: /ˌpɹəʊ.tækˈtɪn.i.əm/
• (America) enPR: prō"tăktĭ'nēəm, IPA: /ˌpɹoʊ.tækˈtɪn.i.əm/

Noun

protactinium (uncountable)

1. A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.

Synonyms

• protoactinium (dated)

Related terms

• actinium

Translations

• French: protactinium
• German: Protactinium
• Italian: protoattinio
• Portuguese: protactínio
• Russian: протакти́ний
• Spanish: protactinio

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