protactinium

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See also: Protactinium

English

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Chemical element
Pa
Previous: thorium (Th)
Next: uranium (U)

Etymology

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From proto- +‎ actinium.

Pronunciation

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

Noun

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protactinium (uncountable)

English Wikipedia has an article on:
Wikipedia
  1. A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.

Usage notes

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

Synonyms

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Derived terms

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Translations

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Danish

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Noun

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protactinium

  1. protactinium

Dutch

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Dutch Wikipedia has an article on:
Wikipedia nl
Chemical element
Pa
Previous: thorium (Th)
Next: uranium (U)

Pronunciation

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Noun

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protactinium n (uncountable)

  1. protactinium

French

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French Wikipedia has an article on:
Wikipedia fr

Pronunciation

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  • IPA(key): /pʁɔ.tak.ti.njɔm/

Noun

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protactinium m (uncountable)

  1. protactinium

Further reading

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Latin

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Latin Wikipedia has an article on:
Wikipedia la

Pronunciation

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Noun

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prōtactīnium n (genitive prōtactīniī); second declension

  1. protactinium

Declension

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Second-declension noun (neuter).

Case Singular Plural
Nominative prōtactīnium prōtactīnia
Genitive prōtactīniī prōtactīniōrum
Dative prōtactīniō prōtactīniīs
Accusative prōtactīnium prōtactīnia
Ablative prōtactīniō prōtactīniīs
Vocative prōtactīnium prōtactīnia