[k is for kaleidoscope]
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ka⋅lei⋅do⋅scope
kuh-lahy-duh-skohp
–noun
1. 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.
2. a continually changing pattern of shapes and colors.
3. a continually shifting pattern, scene, or the like: the 1920s were a kaleidoscope of fads and fashions.