noun
alternator
noun
1
A device that generates alternating electrical current, typically by mechanical rotation.
"The car wouldn't charge because the alternator had failed."
How to Use Alternator
Learner’s notesIn plain EnglishThe part of an engine or generator that produces electricity to keep a battery charged.
Common pairings
alternator belt
faulty alternator
Word Forms
alternators plural
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Etymology
Formed from "alternate" plus the agent suffix "-or."