say it: i-lek-TRAH-luh-suhs
electrolysis is a noun meaning "(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions". It carries 2 recorded senses.
(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions
chemistry
removing superfluous or unwanted hair by passing an electric current through the hair root
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for electrolysis come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.