protactinium
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See also: Protactinium
English
| Chemical element | |
|---|---|
| Pa | |
| Previous: thorium (Th) | |
| Next: uranium (U) | |
Etymology
Pronunciation
- (UK) IPA(key): /ˌpɹəʊ.tækˈtɪn.i.əm/
- (US) enPR: prō"tăktĭ'nēəm, IPA(key): /ˌpɹoʊ.tækˈtɪn.i.əm/
Audio (US) (file)
Noun
protactinium (uncountable)
- A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.
Usage notes
It was called protoactinium until 1949. Then the name was shortened.
Synonyms
- protoactinium (dated)
Derived terms
Related terms
Translations
chemical element
|
Danish
Noun
protactinium
- protactinium
Dutch
| Chemical element | |
|---|---|
| Pa | |
| Previous: thorium (Th) | |
| Next: uranium (U) | |
Pronunciation
Audio (file)
Noun
protactinium n (uncountable)
French
Pronunciation
Noun
protactinium m (uncountable)
Further reading
- “protactinium”, in Trésor de la langue française informatisé , 2012.
Latin
Pronunciation
- (Classical) IPA(key): /proː.takˈtiː.ni.um/,
- (modern Italianate Ecclesiastical) IPA(key): /pro.takˈti.ni.um/,
Noun
prōtactīnium n (genitive prōtactīniī); second declension
Declension
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 |