Definitions from Wiktionary (PHI)

▸ noun:  Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph".
▸ noun:  (mathematics) The golden ratio.
▸ noun:  A visual illusion whereby a sequential pattern of lights produces a false sense of motion.
▸ noun:  (sports) Abbreviation of Philadelphia. [The largest city in Pennsylvania, United States, and the county seat of coterminous Philadelphia County; the former capital of the United States.]
▸ noun:  (medicine, law) Initialism of protected health information.
▸ Also see phi

---

▸ Words similar to phis
▸ Usage examples for phis

▸ Idioms related to phis
▸ Wikipedia articles (New!)
▸ Popular adjectives describing phis
▸ Words that often appear near phis
▸ Rhymes of phis

▸ Invented words related to phis