upsilon

(Anglais)

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

Prononcé comme (IPA)
/juːpˈsaɪ.lən/
Étymologie (Anglais)

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

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