radon
French, noun/ʁa.dɔ̃/
radon is spelled R-A-D-O-N (5 letters) and appears about once in every 2 million words in written French, the 44,377th most frequent French word form (wordfreq, 2021 data). Radon is a French masculine noun meaning “radon” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Élément chimique de numéro atomique 86 et de symbole Rn qui fait partie de la série chimique des gaz rares”.
What does radon mean in English?
noun
- 1
masculineradon
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 86 et de symbole Rn qui fait partie de la série chimique des gaz rares. 2. Gaz monoatomique et radioactif de cet élément (Rn). 3. Atome (ou, par ellipse, noyau) de radon. 4. Isotopes ou alliages de radon, 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 radon
- radons plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce radon?
- /ʁa.dɔ̃/
- \ʁa.dɔ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to radon
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is radon in French?
radon appears about once in every 2 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).