e ‧ lec ‧ trol ‧ y ‧ sis /ɪˌlekˈtrɒləsəs, ɪˌlekˈtrɒlɪsəs, ˌelɪk- $ -ˈtrɑː-/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Origin: electro- + Greek lysis 'untying' ]
1 . technical the process of separating a liquid into its chemical parts by passing an electric current through it
2 . the process of using electricity to destroy hair roots and to remove unwanted hairs from your face etc