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Phi
//faɪ// name, noun
Definitions
Proper Noun
- 1 Abbreviation of Philadelphia. abbreviation, alt-of
Noun
- 1 Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph".
- 2 Initialism of protected health information. abbreviation, alt-of, initialism, uncountable
- 3 the 21st letter of the Greek alphabet wordnet
- 4 The golden ratio.
- 5 A visual illusion whereby a sequential pattern of lights produces a false sense of motion.
"[…] tolerance (Frenkel-Brunswik 1949) for it showed that those persons with the strongest defences against internal conflict, i.e. obsessionals and conversion hysterics, were those least able to perceive the reality-conflicting phenomenon of phi."
Etymology
From Late Latin phi, from Ancient Greek φεῖ (pheî).
See also for "phi"
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