elec·​tro·​lyze | \ i-ˈlek-trə-ˌlīz How to pronounce electrolyze (audio) \
electrolyzed; electrolyzing

Definition of electrolyze

transitive verb

: to subject to electrolysis

Examples of electrolyze in a Sentence

Recent Examples on the Web The efuel-making process at Haru Oni starts by capturing CO2 from the air and using wind power to electrolyze water into hydrogen and oxygen. Jonathan M. Gitlin, Ars Technica, 6 Apr. 2022 However, many countries, including the UK, Norway, Japan, and France, are building hydrogen production facilities that use renewable energy sources to electrolyze water to produce hydrogen. Vikram Mittal, Forbes, 9 Mar. 2021 Also, electric current running through the seawater would electrolyze it, producing a traceable trail of gas bubbles, particularly chlorine. Abe Dane, Popular Mechanics, 14 Jan. 2021 The bottle is charged for six minutes to electrolyze it, creating a solution that looks like water but is a mix of hypochlorous acid (a powerful disinfectant) and sodium hydroxide (which works as a detergent and cuts through grease). Janelle Nanos, BostonGlobe.com, 20 June 2019 Nikola said that the Nel Hydrogen system will electrolyze water to make hydrogen, rather than use natural gas reformation, for example. Megan Geuss, Ars Technica, 4 May 2018 Renewable energy (wind, solar, hydro) can be used to electrolyze water into hydrogen and oxygen, but that isn’t nearly as efficient as storing electricity in car batteries. John Gartner, WIRED, 16 Apr. 2007 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electrolyze.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of electrolyze

1834, in the meaning defined above

Learn More About electrolyze

Time Traveler for electrolyze

Time Traveler

The first known use of electrolyze was in 1834

See more words from the same year

Dictionary Entries Near electrolyze

electrolytic refining



See More Nearby Entries 

Statistics for electrolyze

Cite this Entry

“Electrolyze.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrolyze. Accessed 6 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for electrolyze


transitive verb
variants: or British electrolyse \ i-​ˈlek-​trə-​ˌlīz How to pronounce electrolyze (audio) \
electrolyzed or British electrolysed; electrolyzing or British electrolysing

Medical Definition of electrolyze

: to subject to electrolysis


Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!