kaleidoscope
nounA 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.
nounA constantly changing set of colors.
nounA series of changing phases or events.
nounAn optical instrument creating and exhibiting, by reflection, a variety of beautiful colors and symmetrical forms.
nounAn 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.
nounA
A constantly changing set of
a complex pattern of constantly changing colors and shapes
nounan optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors