upsilon

English

Alternative forms

• ypsilon (uncommon)

Etymology

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

Pronunciation

• (UK) IPA^(key): /ˈ(j)uːpsɪˌlɒn/, /ˈ(j)ʊpsɪˌlɒn/, /ˈʌpsɪˌlɒn/, /(j)uːpˈsaɪlən/, /(j)ʊpˈsaɪlən/, /əpˈsaɪlən/
• (US) IPA^(key): /ˈ(j)upsɪˌlɑn/, /ˈ(j)ʊpsɪˌlɑn/, /ˈʌpsɪˌlɑn/
• (Canada) IPA^(key): /ˈ(j)upsɪˌlɒn/, /(j)ɪu̯psɪˌlɒn/

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. (particle 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 Turkish: ipsilon (tr), üpsilon

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 superseded spelling of ypsilon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 (invariable)

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