Meaning & use
alternator
A device that generates alternating electrical current, commonly used to recharge a vehicle's battery.
See it in a sentence
The mechanic discovered that a faulty alternator was draining the car's battery.
The alternator converts the engine's mechanical energy into electricity while driving.
A note on using this word
In cars, the alternator keeps the battery charged while the engine runs, unlike the battery, which stores power for starting.
Words with a similar meaning
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