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.

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Etymology

Origin of electrolyzer

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

Example Sentences

See Examples For:

electrolyzer

"As sunlight increases, the electrolyzer naturally heats up. The system is designed so that this warming causes the electrical resistance to drop, allowing electricity to flow more freely," Professor Amao explained.

From Science Daily ● Jun. 11, 2026

Shares jumped 26% on Wednesday after the company said it delivered External link its first 10-megawatt GenEco electrolyzer array to Galp External link, a Portuguese energy company.

From Barron's ● Oct. 6, 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 Vernon facility will use large electrolyzer machines powered by 100% clean energy to split hydrogen from water.

From Los Angeles Times ● Aug. 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