alternator
noun
al·ter·na·tor
ˈȯl-tər-ˌnā-tər 
also ˈal-
: an electric generator for producing alternating current
Examples of alternator in a Sentence
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Those batteries charge off-grid via 800 watts of rooftop solar (expandable to 1,200 W) and an auxiliary 6,500-W alternator, keeping the 48-V electrical system live and ready for the full two weeks, with that running A/C will drive the battery reserves down much quicker.
—
C.c. Weiss
may 17, New Atlas, 17 May 2026
Test the alternator output, check the door ajar switch, and inspect the parking brake and brake fluid level.
—Hartford Courant, 3 May 2026
The problems started on the first lap for Reddick, who radioed his team about an alternator problem that caused his voltage to drop dangerously low.
—ABC News, 22 Mar. 2026
Belts and pulleys are fine for use with auxiliary equipment such as water pumps, alternators, air conditioners and power steering, but are not great for high-power, high-torque automatic transmissions.
—Ed Sokalski, Chicago Tribune, 27 Feb. 2026
See All Example Sentences for alternator
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C.c. Weiss
may 17, New Atlas, 17 May 2026
Test the alternator output, check the door ajar switch, and inspect the parking brake and brake fluid level.
—Hartford Courant, 3 May 2026
The problems started on the first lap for Reddick, who radioed his team about an alternator problem that caused his voltage to drop dangerously low.
—ABC News, 22 Mar. 2026
Belts and pulleys are fine for use with auxiliary equipment such as water pumps, alternators, air conditioners and power steering, but are not great for high-power, high-torque automatic transmissions.
—Ed Sokalski, Chicago Tribune, 27 Feb. 2026
See All Example Sentences for alternator
Cite this Entry
“Alternator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alternator. Accessed 20 May. 2026.
Copy CitationKids Definition
alternator
noun
al·ter·na·tor
ˈȯl-tər-ˌnāt-ər
also ˈal-
: an electric generator for producing alternating current
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