Phi

Pronunciation

IPA: /faÉª/

Rhymes: -aÉª
Homophone: fie

IPA: /fiË/

Rhymes: -iË
Homophone: fee

Full definition of phi

Noun

phi

(plural phis)

The twenty-first letter of the Classical and Modern Greek, the twenty-third letter of Old and Ancient.
A visual illusion caused by lights turning on and off in a sequential pattern that implies motion.
(mathematics) The symbol for the golden ratio.

Anagrams

hip HIP