electrolysis
noun
elec·trol·y·sis
i-ˌlek-ˈträ-lə-səs 
1
a
: the producing of chemical changes by passage of an electric current through an electrolyte
b
: subjection to this action
2
: the destruction of hair roots by an electrologist using direct current
Examples of electrolysis in a Sentence
She had electrolysis done on her upper lip.
Recent Examples on the Web
Next, the system uses renewable electricity to split water into hydrogen and oxygen through electrolysis.
—
Kurt Knutsson, FOXNews.com, 15 June 2025
These old beauty standards were likely the reasons Marilyn Monroe and Rita Hayworth underwent hairline electrolysis, a painful procedure that involves using a metal probe to zap individual hair follicles, permanently getting rid of any affected hair.
—Jennifer Adams, StyleCaster, 19 May 2025
Depending on the exact method of electrolysis used, devices destroy the cells with a chemical energy current, heat energy current, or both.2
Many people report feeling a temporary sensation of heat or pinching during an electrolysis treatment session.
—Cristina Mutchler, Health, 27 Jan. 2025
That's all well and good, but producing hydrogen through processes like electrolysis consume a lot of energy too.
—Abhimanyu Ghoshal, New Atlas, 23 June 2025
See All Example Sentences for electrolysis
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Kurt Knutsson, FOXNews.com, 15 June 2025
These old beauty standards were likely the reasons Marilyn Monroe and Rita Hayworth underwent hairline electrolysis, a painful procedure that involves using a metal probe to zap individual hair follicles, permanently getting rid of any affected hair.
—Jennifer Adams, StyleCaster, 19 May 2025
Depending on the exact method of electrolysis used, devices destroy the cells with a chemical energy current, heat energy current, or both.2
Many people report feeling a temporary sensation of heat or pinching during an electrolysis treatment session.
—Cristina Mutchler, Health, 27 Jan. 2025
That's all well and good, but producing hydrogen through processes like electrolysis consume a lot of energy too.
—Abhimanyu Ghoshal, New Atlas, 23 June 2025
See All Example Sentences for electrolysis
Cite this Entry
“Electrolysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrolysis. Accessed 22 Jul. 2025.
Copy CitationKids Definition
electrolysis
noun
elec·trol·y·sis
i-ˌlek-ˈträl-ə-səs
1
: the producing of chemical changes by passage of an electric current through an electrolyte
2
: the destruction of hair roots with an electric current
Medical Definition
electrolysis
noun
elec·trol·y·sis
i-ˌlek-ˈträl-ə-səs
plural electrolyses
-ˌsēz
1
a
: the process of producing chemical changes by passage of an electric current through an electrolyte
b
: subjection to this action
2
: the destruction of hair roots by an electrologist by means of an electric current applied to the body with a needle-shaped electrode
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