phi
Collocations
1PHI + NOUN
phenomenon
The phi phenomenon was first observed by psychologists studying how the brain perceives motion.
Definitions
noun
Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph".
The golden ratio.
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.
The illusion of movement in a highway construction sign is an instance of the phi phenomenon, which is also at work in motion pictures and television.
name
Abbreviation of Philadelphia.
noun
Initialism of protected health information.
Thesaurus
Synonyms
Antonyms
Idioms & Phrases
Example Bank
3[…] 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 perce
WiktionaryThe illusion of movement in a highway construction sign is an instance of the phi phenomenon, which is also at work in motion pictures and television.
WiktionaryIs it the phi phenomenon or the persistence of vision? Originally, the illusion of motion that movies excel at was thought to be the effect of the persistence of vision.
Wiktionary