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

Recent Examples on the Web
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These materials are utilized in other energy technologies, such as fuel cells and catalysts. Prabhat Ranjan Mishra, Interesting Engineering, 29 Jan. 2026 Sixty seconds later, when the astronauts were beginning to throttle engines up to maximum thrust, NASA reported all engines and fuel cells running normally. Miami Herald Archives, Miami Herald, 27 Jan. 2026 It is involved in infrastructure support, manufacturing heavy equipment (like excavators, loaders, forklifts through Doosan Bobcat), power generation (turbines, generators), water treatment (desalination), and advanced materials (electronics, fuel cells). Sabbir Rangwala, Forbes.com, 23 Jan. 2026 Since last year, when its onsite fuel cells began being ordered furiously for data centers, Bloom has seen its shares shoot up over 500% and the company reached a market cap above $30 billion. Krysta Escobar, CNBC, 17 Jan. 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 31 Jan. 2026.

Kids Definition

fuel cell

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

More from Merriam-Webster on fuel cell

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