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
The system, known as electrolysis, produces hydrogen (H2) and CO2 that can be stored and used as feedstocks for sustainable aviation fuels (SAF) and e-methanol for shipping.
—
Nino Paoli, Fortune, 19 Sep. 2025
But today’s electrolysis methods rely heavily on freshwater, raising cost and supply concerns.
—Neetika Walter, Interesting Engineering, 17 Sep. 2025
Using Zarm’s 479-foot-tall (146 meters) drop tower in Bremen, Germany, the team tested the technology, producing an increase in bubble detachment efficiency of up to 240%, which would translate to much more effective electrolysis cells and oxygen generation.
—Andrew Jones, Space.com, 2 Sep. 2025
Running an electrolysis system directly from seawater can be tricky though, so the test platform also uses the heat generated from the electrolyzers to power an on-board desalinization plant.
—New Atlas, 17 July 2025
See All Example Sentences for electrolysis
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Nino Paoli, Fortune, 19 Sep. 2025
But today’s electrolysis methods rely heavily on freshwater, raising cost and supply concerns.
—Neetika Walter, Interesting Engineering, 17 Sep. 2025
Using Zarm’s 479-foot-tall (146 meters) drop tower in Bremen, Germany, the team tested the technology, producing an increase in bubble detachment efficiency of up to 240%, which would translate to much more effective electrolysis cells and oxygen generation.
—Andrew Jones, Space.com, 2 Sep. 2025
Running an electrolysis system directly from seawater can be tricky though, so the test platform also uses the heat generated from the electrolyzers to power an on-board desalinization plant.
—New Atlas, 17 July 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 21 Sep. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share