from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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 bits of colored glass at one end of the tube.
- n. A constantly changing set of colors.
- n. A series of changing phases or events: a kaleidoscope of illusions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tube of mirrors containing loose coloured beads etc. that is rotated to produce a succession of symmetrical designs
- n. A constantly changing set of colours, or other things
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. An optical instrument creating and exhibiting, by reflection, a variety of beautiful colors and symmetrical forms.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a complex pattern of constantly changing colors and shapes
- n. an optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors
Greek kalos, beautiful + eidos, form; see weid- in Indo-European roots + -scope.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek καλός (kalos, "beautiful") + εἶδος (eidos, "shape") (compare -oid) + -scope. Coined 1817, by David Brewster, its inventor. (Wiktionary)