Definitions
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noun 
  1. The twenty-first letter of the Classical Greek, Classical and Modern Greek, the twenty-second letter of Old Greek, Old and Ancient Greek, Ancient.
  2. A visual illusion caused by lights turning on and off in a sequential pattern that implies motion.
  3. (mathematics) The symbol for the golden ratio.
  • Letter of the Greek alphabet: '''Φ Ï�
    Previous: upsilon, Υ
    Next: chi, Χ
Translations: 

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