protactinium

From proto- +‎ actinium.

• (UK) IPA^(key): /ˌpɹəʊ.tækˈtɪn.i.əm/
• (US) enPR: prō"tăktĭ'nēəm, IPA^(key): /ˌpɹoʊ.tækˈtɪn.i.əm/

• Audio (US):

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protactinium (uncountable)

 

English Wikipedia has an article on:

protactinium

Wikipedia

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

It was called protoactinium until 1949. Then the name was shortened.

• protoactinium (dated)

• eka-protactinium

• actinium

protactinium

1. protactinium

 

Dutch Wikipedia has an article on:

protactinium

Wikipedia ^nl

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protactinium n (uncountable)

1. protactinium

 

French Wikipedia has an article on:

protactinium

Wikipedia ^fr

• IPA^(key): /pʁɔ.tak.ti.njɔm/

protactinium m (uncountable)

1. protactinium

• “protactinium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

 

Latin Wikipedia has an article on:

protactinium

Wikipedia ^la

• (Classical Latin) IPA^(key): /proː.takˈtiː.ni.um/, [proːt̪äkˈt̪iːniʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /pro.takˈti.ni.um/, [prot̪äkˈt̪iːnium]

prōtactīnium n (genitive prōtactīniī); second declension

1. protactinium

Second-declension noun (neuter).