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electrolysis (n.)

1834; the name was introduced by Faraday on the suggestion of the Rev. William Whewell, English polymath, from electro- + Greek lysis "a loosening," from lyein "to loosen, set free" (from PIE root *leu- "to loosen, divide, cut apart"). Originally of tumors, later (1879) of hair removal. Related: electrolytic.

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Definitions of electrolysis from WordNet

electrolysis (n.)
(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions;
electrolysis (n.)
removing superfluous or unwanted hair by passing an electric current through the hair root;
From wordnet.princeton.edu