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Upsilon

Not to be confused with Epsilon.
This article is about the Greek upsilon. For the Latin upsilon, see ʊ. For other uses, see Upsilon (disambiguation).
"Ypsilon" redirects here. For other uses, see Ypsilon (disambiguation).

Greek alphabet
Αα Alpha Νν Nu
Ββ Beta Ξξ Xi
Γγ Gamma Οο Omicron
Δδ Delta Ππ Pi
Εε Epsilon Ρρ Rho
Ζζ Zeta Σσς Sigma
Ηη Eta Ττ Tau
Θθ Theta Υυ Upsilon
Ιι Iota Φφ Phi
Κκ Kappa Χχ Chi
Λλ Lambda Ψψ Psi
Μμ Mu Ωω Omega
History
Ϝ Digamma Ͱ Heta
Ϻ San Ϙ Koppa
Ͷ
Ͳ Sampi
Diacritics and other symbols
Related topics

Upsilon (US: /ˈʌpsɪˌlɒn, ˈ(j)uːp-, -lən/, UK: /(j)uːpˈsaɪlən, ʊp-, -lɒn/;[1][2][3][4][5][6] uppercase Υ, lowercase υ; Greek: ύψιλον ýpsilon [ˈipsilon]) or ypsilon /ɪp-/[1] is the twentieth letter of the Greek alphabet. In the system of Greek numerals, Υʹ has a value of 400. It is derived from the Phoenician waw .

The Greek alphabet on a black figure vessel, with a V-shaped upsilon
  1. ^ a b "upsilon". Chambers Dictionary (9th ed.). Chambers. 2003. ISBN 0-550-10105-5.
  2. ^ "upsilon". Collins English Dictionary (13th ed.). HarperCollins. 2018. ISBN 978-0-008-28437-4.
  3. ^ "Upsilon". Merriam-Webster.com Dictionary. Merriam-Webster. Retrieved 2016-01-22.
  4. ^ "Upsilon". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 2019-12-21.
  5. ^ "upsilon". Dictionary.com Unabridged (Online). n.d. Retrieved 2016-01-22.
  6. ^ "upsilon". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)

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