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Noun: upsilon  'yoop-su,lón or 'yoop-su-lun or 'oop-su,lón [N. Amer], úp'sI-lun or 'oop-si,lón [Brit]
  1. The 20th letter of the Greek alphabet

Derived forms: upsilons

Type of: alphabetic character, letter, letter of the alphabet

Part of: Greek alphabet

Encyclopedia: Upsilon, Somme, France

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upset
upset price
upset stomach
upsetter
upsetting
upshot
upside
upside down
upside-down
upside-down cake
upsilon
upskill
upskirting
upslope
upstage
upstager
upstair
upstairs
upstanding
upstart
upstate