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electrolyzer

American  
[ih-lek-truh-lahy-zer] / ɪˈlɛk trəˌlaɪ zər /
especially British, electrolyser

noun

  1. a system or device that uses electricity to split water molecules into hydrogen and oxygen, thereby producing hydrogen gas as a sustainable source of clean energy.


Etymology

Origin of electrolyzer

First recorded in 1890–95; electrolyze ( def. ) + -er 1 ( def. )

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.

See Examples For:

At the heart of these systems is an electrolyzer, which converts electricity from solar cells into chemical energy.

From Science Daily ● Jun. 11, 2026

The team has acknowledged that turning experimental materials into real electrolyzer products, including meshes and foams, still involves difficult engineering work.

From Science Daily ● May 10, 2026

“Financial targets were maintained, with the focus remaining on execution to scale the electrolyzer and material-handling businesses and to make continued progress toward profitability.”

From Barron's ● Nov. 18, 2025

Plug Power stock jumped early Wednesday after the company said it delivered External link its first 10-megawatt GenEco electrolyzer array to Galp, a Portuguese energy company.

From Barron's ● Oct. 1, 2025

The apparatus consists of a hermetically closed electrolyzer, A, into the lower part of which enters the electrodes, E and F, of any electrical machine whatever.

From Scientific American Supplement, No. 401, September 8, 1883 by Various

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