upsilon
UK/ˈ(j)uːpsɪˌlɒn//ˈ(j)upsɪˌlɑn/
upsilon noun: the twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
Noun
upsilon (plural upsilons or upsila)
- The twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
- An upsilon meson, or bottomonium.
upsilon meaning in Arabic and Malay
upsilon in Arabic
- letter of the Greek alphabet
- أُبْسِلُون ʔubsilūn, أُبْسِيلُون ʔubsilūn
upsilon in Malay
- letter of the Greek alphabet
- upsilon
Forms of upsilon
| plural | upsilons |
|---|---|
| plural | upsila |
| alternative uncommon | ypsilon |
Origin of upsilon
From Ancient Greek ὖ ψιλόν (û psilón, “simple Υ”).
Words formed from upsilon
Phrases with upsilon
Questions about upsilon
- What does upsilon mean?
- Upsilon means the twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
- What is upsilon in Arabic?
- Upsilon in Arabic is أُبْسِلُون (ʔubsilūn), أُبْسِيلُون (ʔubsilūn). See Upsilon meaning in Arabic.
- What part of speech is upsilon?
- Upsilon is a noun.
- How do you pronounce upsilon?
- Upsilon is pronounced /ˈ(j)uːpsɪˌlɒn/ (UK).
- What is the plural of upsilon?
- The plural of upsilon is upsilons.
Words near upsilon in the dictionary
Source and license
Adapted from Wiktionary: upsilon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-upsilon.ogg.
Cite this entry: “upsilon.” Word.ws, https://word.ws/upsilon. Based on Wiktionary, CC BY-SA 4.0.