upsilon
French, noun/yp.si.lɔ̃/
upsilon is spelled U-P-S-I-L-O-N (7 letters) and appears about once in every 22 million words in written French, the 150,781st most frequent French word form (wordfreq, 2021 data). Upsilon is a French masculine noun meaning “upsilon (Greek letter)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “υ, Υ, vingtième lettre et sixième voyelle de l’alphabet grec”.
What does upsilon mean in English?
noun
- 1
masculineupsilon (Greek letter)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. υ, Υ, vingtième lettre et sixième voyelle de l’alphabet grec. 2. ʊ, symbole de l’alphabet phonétique international. 3. ʊ, Ʊ, lettre de l’alphabet latin étendu.
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 upsilon
- upsilons plural
- ypsilon
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce upsilon?
- /yp.si.lɔ̃/
- /yp.si.lɔn/
- \yp.si.lɔn\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to upsilon
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is upsilon in French?
upsilon appears about once in every 22 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).