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1. A tube-shaped optical instrument that is rotated to produce a succession of symmetrical designs by means of mirrors reflecting the constantly changing patterns made by small objects, such as beads or bits of colored glass, at one end of the tube.
2. A constantly changing set of colors.
3. A series of changing phases or events: a kaleidoscope of illusions.

[Greek kalos, beautiful + eidos, form; see weid- in Indo-European roots + -scope.]

ka·lei′do·scop′ic (-skŏp′ĭk), ka·lei′do·scop′i·cal adj.
ka·lei′do·scop′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.kaleidoscopical - continually shifting or rapidly changing
changeful, changeable - such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.