water heater

noun

: an apparatus for heating and usually storing hot water (as for domestic use)

Examples of water heater in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Flush your water heater Klosterman recommends flushing your water heater annually to minimize sediment buildup; this will extend its lifespan. The Washington Post, San Diego Union-Tribune, 21 Feb. 2026 The water heater was also struck by gunfire, according to the 911 call sheet. Harriet Ramos, Fort Worth Star-Telegram, 20 Feb. 2026 Water Heater Maintenance When your water heater isn’t frequently maintained, sediment buildup is likely lurking inside the tank. Caroline Lubinsky, Martha Stewart, 17 Feb. 2026 Other modern improvements from top to bottom include installing a new boiler, water heaters, and gutters, plus fire escape upgrades, landscaping the exterior, and upgrading the front patio. Richard Lane, Des Moines Register, 16 Feb. 2026 See All Example Sentences for water heater

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of water heater was in 1824

Browse Nearby Words

Cite this Entry

“Water heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20heater. Accessed 23 Feb. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster