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. )