English

Definition of dilution noun from the Oxford Advanced Learner's Dictionary

     

    dilution

     noun
    noun
    BrE BrE//daɪˈluːʃn//
     
    , also BrE//daɪˈljuːʃn//
     
    ; NAmE NAmE//daɪˈluːʃn//
     
     
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  1. 1[uncountable, countable] the act of making a liquid weaker by adding water or another liquid to it; a liquid that has been made weaker in this way the dilution of sewage
  2. 2[uncountable] the act of making something weaker or less effective This is a serious dilution of their election promises.