▸nouna toy consisting of a tube containing mirrors and pieces of coloured glass or paper, whose reflections produce changing patterns when the tube is rotated.
▪a constantly changing pattern or sequence of elements:
the dancers moved in a kaleidoscope ofcolour.
– ORIGIN early 19th century: from Greekkalos‘beautiful’ + eidos‘form’ + -scope.
EnglishOxford Dictionary of English
