phi phenomenon

noun

Definition of phi phenomenon 

: apparent motion resulting from an orderly sequence of stimuli (such as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye

First Known Use of phi phenomenon

circa 1928, in the meaning defined above

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Dictionary Entries near phi phenomenon

phimosed

phimotic

Phiomia

phi phenomenon

phishing

Phi Tong Luang

phiz

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The first known use of phi phenomenon was circa 1928

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phi phenomenon

noun
\ˈfī- \

Medical Definition of phi phenomenon 

: apparent motion resulting from an orderly sequence of stimuli (as lights flashed in rapid succession a short distance apart on a sign) without any actual motion being presented to the eye — compare apparent motion

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a state of commotion or excitement

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