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.
For example, if a water heater explodes in a house and the plaintiff tries to go up the ownership chain to reach the ultimate beneficial owners, that will be an inside liability. Jay Adkisson, Forbes.com, 30 June 2026 Unfiltered water, Adams insists, leads to sediment buildup in your water heater, which shortens its lifespan and lessens its heating efficiency. Quincy Bulin, Southern Living, 28 June 2026 The washer/dryer and water heater are stowed away in a cupboard. Adam Williams june 24, New Atlas, 24 June 2026 Your water heater is another major contributor to your electric bill because manufacturers often set the temperature to these appliances at 140 degrees. Karla Radka, The Orlando Sentinel, 20 June 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 3 Jul. 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