upsilon

English

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.

Derived terms

• upsilon particle

Translations

letter of the Greek alphabet

• Arabic: أُبْسِلُون m (ʔubsilūn), أُبْسِيلُون m (ʔubsilūn)
• Asturian: ípsilon (ast)
• Catalan: ípsilon (ca) f
• Chinese:

  Mandarin: 宇普西龍 / 宇普西龙 (zh) (yǔpǔxīlóng), 埃普西隆 (āipǔxīlóng)

• Czech: ypsilon (cs) n
• Danish: ypsilon (da) n
• Dutch: upsilon (nl) m or f, ypsilon (nl) m or f
• Esperanto: upsilono (eo)
• Estonian: üpsilon
• Finnish: ypsilon (fi)
• French: upsilon (fr) m
• German: Ypsilon (de) n
• Greek: ύψιλον (el) n (ýpsilon)

  Ancient: ὖ ψιλόν n (û psilón)

• Hebrew: אִיפְּסִילוֹן f (ípsilon)
• Hungarian: üpszilon (hu)
• Interlingua: ypsilon
• Irish: upsalón m
• Italian: ipsilon
• Japanese: ユプシロン (ja) (yupushiron), ウプシロン (ja) (upushiron)
• Korean: 입실론 (ko) (ipsillon)
• Malay: upsilon
• Portuguese: ípsilon (pt) m, hipsilo m, ipsilone (pt) m, ipsilão m
• Russian: и́псилон (ru) m (ípsilon)
• Slovak: ypsilon m
• Spanish: ípsilon (es)
• Swedish: ypsilon (sv) n

See also

• (Greek-script letter names) alpha, beta, gamma, delta, epsilon, zeta, eta, theta, iota, kappa, lambda, mu, nu, xi, omicron, pi, rho, sigma, tau, upsilon, phi, chi, psi, omega

Anagrams

• Poulins, pulsion, unspoil

Dutch

Noun

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

1. Superseded spelling of ypsilon.

French

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