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electrolysis

American  
[ih-lek-trol-uh-sis, ee-lek-] / ɪ lɛkˈtrɒl ə sɪs, ˌi lɛk- /

noun

  1. Physical Chemistry. the passage of an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes.

  2. the destruction of hair roots, tumors, etc., by an electric current.


electrolysis British  
/ ɪlɛkˈtrɒlɪsɪs /

noun

  1. the conduction of electricity by a solution or melt, esp the use of this process to induce chemical changes

  2. the destruction of living tissue, such as hair roots, by an electric current, usually for cosmetic reasons

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of electrolysis

First recorded in 1830–40; electro- + -lysis

Vocabulary lists containing electrolysis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Electrolysis of water is one of the most promising green pathways for hydrogen production, as it only requires water and electricity.

From Science Daily • Apr. 16, 2024

Electrolysis can split iron oxide, and several start-up firms, such as Boston Metal in Woburn, Massachusetts, are trying to put this to use in steel-making.

From Scientific American • Nov. 23, 2022

Electrolysis is a carbon-free process, if powered by renewable electricity, to extract “green” hydrogen from water.

From Reuters • May 29, 2020

Electrolysis is the basis for certain ore refining processes, the industrial production of many chemical commodities, and the electroplating of metal coatings on various products.

From Textbooks • Feb. 14, 2019

Electrolysis provides us with another form of detector.

From Marvels of Scientific Invention An Interesting Account in Non-technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-date Smelting, Freezing, Colour Photography, and many other recent Discoveries of Science by Corbin, Thomas W.