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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
New buses will be mainly be hybrid but DDOT will also acquire four electric buses next year, and four hydrogen fuel cell buses in 2026.
—Dana Afana, Detroit Free Press, 18 Dec. 2024
Meanwhile, hydrogen can power aircraft through combustion or fuel cells.
—Ken Silverstein, Forbes, 9 Dec. 2024
The resulting hydrogen then feeds the fuel cells, producing enough electricity to power 90 percent of the yacht’s hotel load.
—Katia Damborsky, Robb Report, 30 Nov. 2024
So when battery technology improves to the point of offering that 620-mile range on its own, or the hydrogen economy matures enough to use a hydrogen engine or range-extending fuel cell stack, Manta will be able to swap in those solutions.
—New Atlas, 11 Dec. 2024
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Word History
First Known Use
1922, in the meaning defined above
Dictionary Entries Near fuel cell
Cite this Entry
“Fuel cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20cell. Accessed 2 Jan. 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
Britannica.com: Encyclopedia article about fuel cell
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