'Chromatrope' definitions:

Definition of 'Chromatrope'

From: GCIDE

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]