fuel cell

noun

: a device that continuously changes the chemical energy of a fuel (such as hydrogen) and an oxidant directly into electrical energy

Examples of fuel cell in a Sentence

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Bloom Energy — The maker of solid oxide fuel cells saw shares gain nearly 10% after Barclays upgraded Bloom to overweight from equal weight on Tuesday. — Ananya Chetia, CNBC, 3 Nov. 2026 Silver Nova, the first of a new Silversea ship class debuting in August 2023, leans hard into green initiatives with advanced hybrid technology utilizing fuel cells and promise zero port emissions. — Condé Nast, Condé Nast Traveler, 31 Oct. 2026 The company has developed a 12-meter-long blimp powered by a hydrogen fuel cell capable of staying airborne for up to 10 hours and traveling 350 kilometers per day. — Edd Gent, IEEE Spectrum, 29 Oct. 2026 Haynes explained that the instrument could also extend the lifespan of catalysts for fuel cells, chemical manufacturing and fertilizer production. — Georgina Jedikovska, Interesting Engineering, 27 Oct. 2026 See All Example Sentences for fuel cell

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of fuel cell was in 1922

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Cite this Entry

“Fuel cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20cell. Accessed 7 Nov. 2026.

Kids Definition

fuel cell

noun
: a device that continuously changes the chemical energy of a fuel (as hydrogen) into electrical energy

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