Definition

A device that generates electricity by converting mechanical energy into alternating current, commonly used in vehicles to power electrical systems.

Example

The car's alternator charges the battery while the engine is running.

Conversation

I think my car is having some issues with the alternator.

Oh no, that sounds frustrating! What makes you think it’s the alternator?

Well, the battery keeps dying, and I’ve read that could be a sign of alternator problems.

That makes sense; you should definitely get it checked out soon.

Synonyms & Antonyms

Root Explanation

Alternator → It is formed from "alternare" (meaning to interchange) and the suffix "-or" (meaning one who or that which). The word "alternator" refers to a device that interchanges or alternates current, typically in electrical systems.

Memory Tip

Think of a device that 'interchanges' ('alternare') electrical current — that's what an alternator does.

Visually Confused Words