One of the mysteries of the English language finally explained.
1Electrolysis. Now rare.
2Electrification; (in later use) specifically electrification of a railway. Now rare.
Mid 19th century; earliest use found in Michael Faraday (1791–1867), natural philosopher, scientific adviser, and Sandemanian. Apparently from electrol- + -ization, in sense 1 probably partly as alteration of electrolysation. The semantic motivation for sense 2 is unclear.
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