Actinium
German, noun[akˈtiːni̯ʊm]
Actinium is a German neuter noun meaning “chemical element actinium (atomic number 89)” (English Wiktionary, September 2026). The German Wiktionary defines it as “radioaktives, chemisches Element mit der Ordnungszahl 89”.
What does Actinium mean in English?
noun
- 1
neuterchemical element actinium (atomic number 89)
Source: English Wiktionary, German section, dump of September 2, 2026 (CC BY-SA 4.0).
How German dictionaries define it
noun: 1. radioaktives, chemisches Element mit der Ordnungszahl 89
The definition in the German Wiktionary, in German.
Source: German Wiktionary, dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of Actinium
- Actiniums genitive
- Aktinium alternative
- Ac abbreviation
Source: English Wiktionary and German Wiktionary (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce Actinium?
- [akˈtiːni̯ʊm]
Sources: English Wiktionary, German Wiktionary (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to Actinium
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is Actinium in German?
Actinium appears about once in every 43 million words in written German.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).