green hydrogen

noun

: hydrogen that is produced by splitting water into its two components of hydrogen and oxygen using a renewable energy source (such as wind or solar energy)
Green hydrogen is when the energy used to power electrolysis comes from renewable sources like wind, water or solar.—Catherine Clifford
Green hydrogen, or hydrogen made using electrolysis and renewable energy, would reduce emissions both when it's made and when it's burned.—Sean McDonnell
The project is designed to prove the concept of producing large-scale green hydrogen from offshore wind facilities.—Jim Redden
Green hydrogen technology is based on hydrogen generation, which uses electrical currents to separate hydrogen from the oxygen in water.—Kim Gunnelius

Examples of green hydrogen in a Sentence

Recent Examples on the Web
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The Oregon team worked with a MOF called BVR-19 that helped generate green hydrogen more easily than other MOFs. — Ameya Paleja, Interesting Engineering, 5 Oct. 2026 Beijing is making a big bet on green hydrogen, more than tripling its annual operational capacity since the end of 2024, Bloomberg reported. — Alexis Akwagyiram, semafor.com, 21 Sep. 2026 Amazon frequently purchases warrants and takes stakes in its suppliers, including semiconductor firm Astera Labs, air cargo contractor ATSG, green hydrogen supplier Plug Power and grocery distributor Spartan Nash. — Annie Palmer, CNBC, 16 Sep. 2026 Many environmental groups have long been skeptical even of the 1% of hydrogen that is produced cleanly — called green hydrogen. — Los Angeles Times, 17 Aug. 2026 See All Example Sentences for green hydrogen

Word History

First Known Use

2002, in the meaning defined above

Time Traveler
The first known use of green hydrogen was in 2002

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Cite this Entry

“Green hydrogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/green%20hydrogen. Accessed 9 Oct. 2026.

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