Chromatrope
Pronunciation : Chro"ma*trope
Part of Speech : n.
Etymology : [Gr.
Definition : 1. (Physics)
Defn: An instrument for exhibiting certain chromatic effects of light (depending upon the persistence of vision and mixture of colors) by means of rapidly rotating disks variously colored.
2. A device in a magic lantern or stereopticon to produce kaleidoscopic effects.
Source : Webster's Unabridged Dictionary, 1913