actinium

Definition from Wiktionary, the free dictionary
Jump to: navigation, search
See also: Actinium

English[edit]

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

Etymology[edit]

actin- +‎ -ium

Noun[edit]

actinium (uncountable)

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

Derived terms[edit]

Related terms[edit]

Translations[edit]


Danish[edit]

Alternative forms[edit]

Noun[edit]

actinium

  1. actinium

Dutch[edit]

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

Pronunciation[edit]

Noun[edit]

actinium n (uncountable)

  1. actinium

French[edit]

French Wikipedia has an article on:
Wikipedia fr

Pronunciation[edit]

Noun[edit]

actinium m (uncountable)

  1. actinium

Further reading[edit]


Latin[edit]

Latin Wikipedia has an article on:
Wikipedia la

Etymology[edit]

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

Pronunciation[edit]

Noun[edit]

actīnium n (genitive actīniī); second declension

  1. actinium

Inflection[edit]

Second declension.

Case Singular Plural
nominative actīnium actīnia
genitive actīniī actīniōrum
dative actīniō actīniīs
accusative actīnium actīnia
ablative actīniō actīniīs
vocative actīnium actīnia