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Definition of Phi
1. Noun. The 21st letter of the Greek alphabet.
Group relationships: Greek Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet
Definition of Phi
1. Noun. The twenty-first letter of the Classical and Modern Greek, the twenty-second letter of Old and Ancient. ¹
2. Noun. A visual illusion caused by lights turning on and off in a sequential pattern that implies motion. ¹
3. Noun. (mathematics) The symbol for the golden ratio. ¹
¹ Source: wiktionary.com
Definition of Phi
1. a Greek letter [n -S]
Medical Definition of Phi
1. 1. The 21st letter of the Greek alphabet. 2. (Φ) Symbol for phenyl; potential energy; magnetic flux. 3. (φ) Symbol for plane angle; volume fraction; quantum yield; the dihedral angle of rotation about the N-Ca bond associated with a peptide bond. (05 Mar 2000)