Definition of decolour in English:

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Pronunciation: /diːˈkʌlə/
(US decolor)


[with object]
Remove the colour from.
Example sentences
  • Syrups, and many animal, vegetable, and saline solutions, are decoloured or whitened by agitation with animal charcoal.
  • The bacteria only are stained, while all other elements are decolored.
  • A patent was granted, in the year 1848, to MH Picciotto, for two several methods of purifying and decoloring all varieties of gum-arabic.


Late Middle English: from French décolorer or Latin decolorare, from de- (expressing removal or reversal) + Latin colorare 'to colour'.

For editors and proofreaders

Line breaks: de|colour

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