chromatrope
(ˈkrəʊmətrəʊp)
[irreg. f. Gr. χρῶµα colour + -τροπ-ος turning.]
A magic-lantern slide consisting of two superposed circular glasses, brilliantly coloured, one of which is made to rotate in front of the other.
| 1860 in Mayne Expos. Lex. c 1865 J. Wylde in Circ. Sc. I. 64/2 Chromotropes are..two pictures so arranged that they may revolve over each other on a common centre. 1874 tr. Lommel's Light 98 Phantasmagoric representation, dissolving views, chromatropes. 1876 E. W. Clark Life in Japan 175 After various well-known scenes..interspersed with curious revolving chromatropes. |