phi

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[edit] English

[edit] Pronunciation

[edit] Noun

Singular
phi

Plural
phis

phi (plural phis)

  1. The twenty-first letter of the Classical and Modern Greek, the twenty-second letter of Old and 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 φ
    • Previous: Υ
    • Next: Χ

[edit] Translations

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[edit] French

[edit] Noun

phi m. inv.

  1. phi (Greek letter)