Entry from British & World English dictionary
Definition of decolour in English:
- 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'.
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