actinium
French, noun/ak.ti.njɔm/
actinium is a French masculine noun meaning “actinium” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Élément chimique de numéro atomique 89 et de symbole Ac, prototype des actinides”.
What does actinium mean in English?
noun
- 1
masculineactinium
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Élément chimique de numéro atomique 89 et de symbole Ac, prototype des actinides. 2. Métal pur de cet élément. 3. Atome (ou, par ellipse, noyau) d’actinium. 4. Isotopes ou alliages d’actinium, dans leur ensemble.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of actinium
- actiniums plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce actinium?
- /ak.ti.njɔm/
- \ak.ti.njɔm\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (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 French?
actinium appears about once in every 36 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).