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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
Biden's order sought to have 50% of all new passenger cars and light trucks sold in 2030 be zero-emission vehicles, including battery electric, plug-in hybrid electric, or fuel cell electric vehicles.
—Emily Forlini, PCMAG, 21 Jan. 2025
Implementing hydrogen fuel cells across the aviation sector has its challenges, though.
—Nicole Hoey, Robb Report, 10 Jan. 2025
In Portland, a man tried to create a hydrogen fuel cell from a mix of mercury, sodium, and powdered aluminum.
—Sallie Tisdale, Harper's Magazine, 2 Dec. 2024
The vehicle can provide 25 kilowatts of power from its fuel cells for up to 72 hours without refueling, which is sufficient to power multiple FEMA trailers during critical emergency operations.
—Kurt Knutsson, Cyberguy Report, Fox News, 12 Jan. 2025
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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 29 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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