Chromatrope \Chro"ma*trope\, n. [Gr. ? color + ? turn, rotation,
? to turn.]
1. (Physics) 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.
[1913 Webster]
2. A device in a magic lantern or stereopticon to produce
kaleidoscopic effects.
[1913 Webster]