éther
French, noun/e.tɛʁ/
éther is spelled É-T-H-E-R (5 letters) and appears 1.3 times per million words in written French, the 27,365th most frequent French word form (wordfreq, 2021 data). Éther is a French masculine noun meaning “ether” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Substance que l’on supposait remplir l’espace intersidéral”.
What does éther mean in English?
noun
- 1
masculineether
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Substance que l’on supposait remplir l’espace intersidéral. 2. Partie la plus subtile et la plus élevée de l’atmosphère. 3. Gaz invisible, impondérable, éminemment élastique, que les physiciens supposaient être répandu partout et servir de milieu de transmission à la lumière, à la chaleur, à l’électricité. 4. Liqueur spiritueuse très volatile qu’on obtient par la distillation d’un acide mêlé avec de l’alcool.
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 éther
- éthers plural
- æther alternative obsolete
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce éther?
- /e.tɛʁ/
- \e.tɛʁ\
- [etɛːʁ]
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to éther
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is éther in French?
éther appears 1.3 times per million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).