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Definition of electrolysis noun from the Oxford Advanced American Dictionary

     

    electrolysis

     noun
    noun
    NAmE//ɪˌlɛkˈtrɑləsəs//
     
    [uncountable]
     
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  1. 1the destruction of the roots of hairs by means of an electric current, as a beauty treatment
  2. 2 (chemistry) the separation of a liquid (anelectrolyte) into its chemical parts by passing an electric current through it
See the Oxford Advanced Learner's Dictionary entry: electrolysis