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 research team will test fuel cell, battery, sensor and automation systems, among other technologies. Prabhat Ranjan Mishra, Interesting Engineering, 23 May 2026 Hydrogen internal combustion isn't the only green powertrain out there, battery-electric and hydrogen fuel cells are both more established in automotive contexts. Omar Kardoudi may 20, New Atlas, 20 May 2026 An alternative option would be shorten races and keep the current fuel cell sizes in place or only use the higher fuel flow in qualifying. Alex Kalinauckas, New York Times, 14 May 2026 California should speed up the electrification of vehicles and other technologies like hydrogen fuel cell technology. Sam Schulz, San Diego Union-Tribune, 10 May 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 26 May. 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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