- upsilon
- The 20th letter of the Greek alphabet, Ψ.
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up·si·lon (upґsi-lon) [Υ, υ] the twentieth letter of the Greek alphabet.
Medical dictionary. 2011.
upsilon
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upsilon — [ ypsilɔn ] n. m. • 1872; gr. u psilon « u mince » ♦ Vingtième lettre de l alphabet grec (υ). ● upsilon nom masculin (grec u psilon, u simple) Vingtième lettre de l alphabet grec (Υ, υ). [Il est transcrit y dans les mots empruntés au grec :… … Encyclopédie Universelle
Upsilon — (uppercase Upsilon;, lowercase upsilon;; el. Ύψιλον) is the 20th letter of the Greek alphabet. In the system of Greek numerals it has a value of 400. It is derived from the Phoenician waw. In early Greek it was pronounced like English oo, IPA2|u … Wikipedia
Upsilon — Up si*lon, n. [Gr. y^ psilo n bare, mere, simple y.] The 20th letter ([Upsilon], [upsilon]) of the Greek alphabet, a vowel having originally the sound of [=oo] as in room, becoming before the 4th century b. c. that French u or Ger. [ u]. Its… … The Collaborative International Dictionary of English
upsilon — 20th letter of the Greek alphabet, 1640s, from Gk. u psilon, lit. a mere (or bare) u; so called in contradistinction to the diphthongs oi , ei , which are pronounced exactly like upsilon … Etymology dictionary
úpsilon — s. m. Ver ípsilo. • [Brasil] Plural: upsílones ou úpsilons. • [Portugal] Plural: upsílones … Dicionário da Língua Portuguesa
upsilon — ► NOUN ▪ the twentieth letter of the Greek alphabet (Y, u), transliterated as ‘u’ or (chiefly in English words derived through Latin) as ‘y’. ORIGIN Greek, slender U … English terms dictionary
upsilon — [o͞op′sə län΄, up′sə län΄] n. [LGr y psilon, lit., simple u (to distinguish from oi, of the same sound in LGr)] 1. the twentieth letter of the Greek alphabet (Y, υ) ☆ 2. any of a group of short lived elementary particles having a mass about ten… … English World dictionary
Upsilon — Ne doit pas être confondu avec Ʊ. Upsilon Graphies Capitale … Wikipédia en Français
upsilon — /yoohp seuh lon , leuhn, up /; esp. Brit. /yoohp suy leuhn/, n. 1. the 20th letter of the Greek alphabet (Y). 2. the vowel sound represented by this letter. 3. Also called upsilon particle, Physics. any of a family of heavy, short lived, neutral… … Universalium
upsilon — [ʌp sʌɪlən, ju:p , ʊpsɪlɒn, ju:p ] noun the twentieth letter of the Greek alphabet (Υ, υ), transliterated as ‘u’ or (chiefly in English words derived through Latin) as ‘y’. Origin Gk, lit. slender U , from psilos slender , referring to the need… … English new terms dictionary
Upsilon (disambiguation) — Upsilon or Ypsilon is a Greek letter.May refer to:*Lancia Ypsilon *Ypsilon (Scheme implementation) *Upsilon Acrux *Upsilon Andromedae, a solar system *Upsilon Aquarii *Upsilon Aquilae *Upsilon Aurigae *Upsilon Boötis *Upsilon Cancri *Upsilon… … Wikipedia
