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单词 decolour
释义

decolour

/diːˈkʌlə /
(US decolor)
verb [with object]
Remove the colour from.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.

Origin

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

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更新时间:2024/12/22 23:04:47