Medical Dictionary
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
Seen & Heard
What made you want to look up phi phenomenon? Please tell us where you read or heard it (including the quote, if possible).