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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The company’s solid oxide fuel cells are a mature technology that have been developed over two decades. Jordan Blum, Fortune, 16 Oct. 2025 Bloom Energy — The energy stock soared 30% after the maker of hydrogen and natural gas power generators struck a $5 billion partnership with Brookfield Asset Management to install fuel cells in artificial intelligence data centers. Scott Schnipper, CNBC, 13 Oct. 2025 In such a system, hydrogen fuel cells would generate electricity, which in turn would power the superconducting motors to drive the aircraft’s propulsors. Aman Tripathi, Interesting Engineering, 9 Oct. 2025 Energy 200-kW stackable fuel cell targets heavy-duty vehicles Home Entertainment 4LED smart projector brings big-screen streaming cinema home Mediterranean dieters also had less deep gum pockets – an indicator of gum disease. New Atlas, 15 Sep. 2025 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 16 Oct. 2025.

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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