upsilon

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

• (UK) IPA^(key): /juːpˈsaɪ.lən/, /ˈʌp.sɪˌlɒn/
• (US) IPA^(key): /ˈjup.sɪˌlɑn/, /ˈʌp.sɪˌlɑn/, /ˈup.sɪˌlɑn/

Ancient Greek Alphabet

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

upsilon (plural upsilons or upsila)

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

• (uncommon) ypsilon

• (Greek letter): Previous: tau, Next: phi

• Poulins, pulsion, unspoil

From Ancient Greek ὖ ψιλόν (û psilón).

• IPA^(key): /yp.si.lɔ̃/, /yp.si.lɔn/

upsilon m (plural upsilon)

1. upsilon (Greek letter)

• i grec

• “upsilon” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

• pulsion