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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
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
The automaker has had a marked preference since the 1990s for hydrogen fuel cells.
—Sam Abuelsamid, Forbes, 7 Jan. 2025
This includes battery-electric and hydrogen fuel cell electric vehicles
What's Next
The Honda 0 SUV is scheduled to go on sale in early 2026 before heading to global markets.
—Newsweek, 7 Jan. 2025
The electrical system will also have to accommodate an energy mix with such varied sources as floating solar farms and fuel cells on a surface buoy.
—IEEE Spectrum, 31 Dec. 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 18 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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