a toy in which partial pictures on the two sides of a card appear to merge when the card is twirled rapidly
Derived forms
thaumatropical (ˌθɔːməˈtrɒpɪkəl)
adjective
Word origin
C19: from thaumato- + -trope
thaumatrope in American English
(ˈθɔməˌtroʊp)
noun
a device consisting of a card or disk with different designs on either side, which, when the card or disk is twirled, appearto blend into one: it demonstrates the persistence of vision