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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Platinum catalysts represent about 45% of the total cost of a fuel cell stack. Aman Tripathi, Interesting Engineering, 8 Feb. 2026 Some of the darlings on the ground included businesses like Bloom Energy, which builds fuel cells that provide onsite generation. Justin Worland, Time, 30 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 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 15 Feb. 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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