phen·a·kis·to·scope | \ ˌfenəˈkistəˌskōp \

Definition of phenakistoscope 

: an optical toy resembling the zoetrope in principle and use and in one form consisting of a disk with the figures arranged about the center and having near the edge radial slits through which the figures are viewed by means of a mirror

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History and Etymology for phenakistoscope

modification of French phénakistiscope, from Greek phenakistēs deceiver (from phenakizein to deceive, from phenak-, phenax deceiver + -izein -ize) + French -scope

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