Definition of fuel cell noun from the Oxford Advanced Learner's Dictionary

 

fuel cell

 noun
noun
BrE
 
; NAmE
 
The power industry
 
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a device that produces electricity directly from a fuel, such as hydrogen, by its reaction with another chemical, such as oxygen, without any burning, in order to supply power to a vehicle or machine A hydrogen fuel cell produces no pollution, just a few drips of water. See related entries: The power industry
See the Oxford Advanced American Dictionary entry: fuel cell