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 program includes collaboration with Aeronamic, fuel cell supplier EH Group, and Senior Aerospace. Aamir Khollam, Interesting Engineering, 27 Mar. 2026 Because of its redundant fuel cell configuration, the six 400-kW cells powering the turbofan motors are claimed to have a system resilience that rivals that of conventional engines. David Szondy march 26, New Atlas, 26 Mar. 2026 Contigo, the world’s first 164-footer equipped with methanol fuel cells, has just listed for charter with Cecil Wright for $355,000 per week. Rachel Cormack, Robb Report, 12 Mar. 2026 One lantern likely became caught in a tree, dropping its burning fuel cell and igniting the fire. Doug Myers, CBS News, 7 Mar. 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 2 Apr. 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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