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Chemical element
Ac Previous: radium (Ra)
Next: thorium (Th)

EtymologyEdit

Borrowed from French actinium. actin- +‎ -ium

PronunciationEdit

NounEdit

actinium (uncountable)

 
English Wikipedia has an article on:
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  1. a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores

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DanishEdit

Alternative formsEdit

NounEdit

actinium

  1. actinium

DutchEdit

 
Dutch Wikipedia has an article on:
Wikipedia nl
Chemical element
Ac Previous: radium (Ra)
Next: thorium (Th)

EtymologyEdit

Borrowed from French actinium.

PronunciationEdit

  • IPA(key): /ɑkˈti.ni.ʏm/
  • (file)
  • Hyphenation: ac‧ti‧ni‧um

NounEdit

actinium n (uncountable)

  1. actinium [from ca. 1900]

Related termsEdit


FrenchEdit

 
French Wikipedia has an article on:
Wikipedia fr

PronunciationEdit

NounEdit

actinium m (uncountable)

  1. actinium

Further readingEdit


LatinEdit

 
Latin Wikipedia has an article on:
Wikipedia la

EtymologyEdit

From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, ray).

PronunciationEdit

NounEdit

actīnium n (genitive actīniī); second declension

  1. actinium

DeclensionEdit

Second-declension noun (neuter).

Case Singular Plural
Nominative actīnium actīnia
Genitive actīniī actīniōrum
Dative actīniō actīniīs
Accusative actīnium actīnia
Ablative actīniō actīniīs
Vocative actīnium actīnia