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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
Hydrogen will produce electricity for extended periods using a fuel cell.
—Ken Silverstein, Forbes, 4 Nov. 2024
Inside is a fuel cell that converts green hydrogen into electricity.
—Alison Van Houten, TIME, 30 Oct. 2024
This car is a prototype hydrogen fuel cell vehicle built into a BMW X5 SUV.
—James Morris, Fortune Europe, 7 Oct. 2024
When hydrogen is burned or used in a fuel cell, the major biproduct is water, instead of atmosphere-warming carbon dioxide.
—Amy Gunia, CNN, 25 July 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 22 Nov. 2024.
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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