Longman Dictionary of Contemporary English homepage

Topic: CHEMISTRY

Date: 1800-1900
Origin: electro- + Greek lysis 'untying'

electrolysis

noun
     
e‧lec‧trol‧y‧sis [uncountable]
1 technicalHC the process of separating a liquid into its chemical parts by passing an electric current through it
2DCB the process of using electricity to destroy hair roots and to remove unwanted hairs from your face etc
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