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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The first known use of phi phenomenon was circa 1928

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Cite this Entry

“Phi phenomenon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phi%20phenomenon. Accessed 11 Jul. 2020.

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phi phenomenon

noun
\ ˈfī- How to pronounce phi phenomenon (audio) \

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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Britannica.com: Encyclopedia article about phi phenomenon

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