NOUN (2)

1. a complex pattern of constantly changing colors and shapes;

2. an optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors;

The Collaborative International Dictionary of English v.0.48:

Kaleidoscope \Ka*lei"do*scope\, n. [Gr. ? beautiful + e'i^dos
   form + -scope.]
   An instrument invented by Sir David Brewster, which contains
   loose fragments of colored glass, etc., and reflecting
   surfaces so arranged that changes of position exhibit its
   contents in an endless variety of beautiful colors and
   symmetrical forms. It has been much employed in arts of
   design.
   [1913 Webster]

         Shifting like the fragments of colored glass in the
         kaleidoscope.                            --G. W. Cable.
   Kaleidoscopic

WordNet (r) 3.0 (2006):

kaleidoscope
    n 1: a complex pattern of constantly changing colors and shapes
    2: an optical toy in a tube; it produces symmetrical patterns as
       bits of colored glass are reflected by mirrors

The Free On-line Dictionary of Computing (30 December 2018):

Kaleidoscope

    An object-oriented language which mixes
   imperative programming and constraint-oriented features.
   Kaleidoscope was written by Freeman-Benson of the University
   of Washington, Universite de Nantes, 1989; University of
   Victoria, 1992.  It is similar to Siri and vaguely related
   to Prose.

   Versions: Kaleidoscope '90 and Kaleidoscope '91.

   ["Kaleidoscope: Mixing Objects, Constraints and Imperative
   Programming", B.N. Freeman-Benson, SIGPLAN Notices
   25(10):77-88 (OOPSLA/ECOOP '90) (Oct 1990)].

   ["Constraint Imperative Programming", B.N. Freeman-Benson,
   Ph.D. Thesis, TR 91-07-02, U Wash (1991)].

   ["Constraint Imperative Programming", Freeman-Benson et al,
   IEEE Conf on Comp Lang, Apr 1992].

   (1994-11-09)