<p><strong>Noun</strong></p><ul><li>an optical instrument in which bits of glass, held loosely at the end of a rotating tube, are shown in continually changing symmetrical forms by reflection in two or more mirrors set at angles to each other.</li><li>a continually changing pattern of shapes and colors.</li><li>a continually shifting pattern, scene, or the like: The 1920s were a kaleidoscope of fads and fashions.</li></ul>