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.
Old debris accumulation was found on the water heater, prep cooler doors and on the three compartment sink basins. Veronica Fernandez-Alvarado may 1, Sacbee.com, 1 May 2026 Protect water heaters, especially older ones, with an insulated blanket. Hali Smith, Idaho Statesman, 24 Apr. 2026 Having your water heater professionally flushed annually can help prevent this issue. Katie Cloyd, Martha Stewart, 21 Apr. 2026 Neglected Maintenance Many policies cover water damage if water heaters or pipes suddenly burst. Brandee Gruener, Southern Living, 18 Apr. 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 9 May. 2026.

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