upsilon

Alternative forms

• ypsilon (uncommon)

Etymology

From Ancient Greek ὖ ψιλόν (û psilón, “simple Υ”).

Pronunciation

• (UK) IPA^(key): /juːpˈsaɪ.lən/, /ˈʌp.sɪˌlɒn/
• (US) IPA^(key): /ˈjup.sɪˌlɑn/, /ˈʌp.sɪˌlɑn/, /ˈup.sɪˌlɑn/
• (Canada) IPA^(key): /ˈ(j)up.sɪˌlɒn/, /(j)ɪu̯p-/

Ancient Greek alphabet

← tau		→ phi
Υ υ Ancient Greek: ὖ ψιλόν
Wikipedia article on upsilon

• Audio (US):

  (file)

Noun

upsilon (plural upsilons or upsila)

1. The twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
2. (physics) An upsilon meson, or bottomonium.

Anagrams

• Poulins, pulsion, unspoil

Noun

upsilon m or f (plural upsilons, diminutive upsilonnetje n)

1. Superseded spelling of ypsilon.

Etymology

From Ancient Greek ὖ ψιλόν (û psilón).

Pronunciation

• IPA^(key): /yp.si.lɔ̃/, /yp.si.lɔn/

Noun

upsilon m (plural upsilon)

1. upsilon (Greek letter)

   Synonym: i grec

Further reading

• “upsilon”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Anagrams

• pulsion