Definition of electrolysis in English:



mass noun
  • 1Chemistry
    Chemical decomposition produced by passing an electric current through a liquid or solution containing ions.

    • ‘The free element sodium was first produced in 1807 by the English chemist Humphry Davy by electrolysis of molten sodium hydroxide.’
    • ‘Perhaps the best known example of electrolysis is the electrolytic decomposition of water to produce hydrogen and oxygen.’
    • ‘The technique that he developed, electrolysis of potassium fluoride in anhydrous liquid hydrogen fluoride, is still used today, with some modifications.’
    • ‘During electrolysis an anion is attracted to the anode (positive electrode).’
    • ‘This is related to their behavior during electrolysis where the ions move to the two opposite electrodes.’
  • 2The removal of hair roots or small blemishes on the skin by the application of heat using an electric current.

    • ‘We also refer patients for mechanical control measures of hair growth including electrolysis and laser therapy.’
    • ‘It is appropriate to institute permanent methods of hair removal by way of electrolysis or laser ablation after suppression of hyperandrogenism has been achieved.’
    • ‘However, electrolysis is considered to be a permanent method of hair removal.’
    • ‘It's relatively cheap compared to electrolysis and laser hair removal.’
    • ‘They don't get rid of hair forever; you'd need to get electrolysis or laser hair removal for that.’



/ˌɪlɛkˈtrɒlɪsɪs/ /ˌɛlɛkˈtrɒlɪsɪs/