electrolysis
Americannoun
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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.
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the destruction of hair roots, tumors, etc., by an electric current.
noun
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the conduction of electricity by a solution or melt, esp the use of this process to induce chemical changes
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the destruction of living tissue, such as hair roots, by an electric current, usually for cosmetic reasons
Etymology
Origin of electrolysis
Vocabulary lists containing electrolysis
Chemistry - High School
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Electrical Engineering
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Engineering - High School
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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.
Recent reviews of direct seawater electrolysis continue to highlight the same core challenge.
From Science Daily ● May 10, 2026
While not all hydrogen production methods are eco-friendly, it is possible to make "green hydrogen" through a process called electrolysis - where electricity from renewable sources is used to split water into hydrogen and oxygen.
From BBC ● Apr. 21, 2026
It takes a huge amount of green electricity to create the fuel using a process called electrolysis.
From BBC ● Feb. 27, 2026
Hydrogen is widely seen as a key energy source for the future, which makes it critical to understand how water is split during electrolysis.
From Science Daily ● Jan. 31, 2026
The electrolysis separated the hydrogen and oxygen from each other.
From "The Martian" by Andy Weir
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
