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.
Generally, the ideal water heater temperature for most homeowners is about 120°F, but many units default to 140°F. — Timothy Dale, Better Homes & Gardens, 18 Oct. 2026 Heating oil is primarily used to power furnaces, boilers and water heaters in residential or commercial heating systems. — ABC News, 14 Oct. 2026 Inspecting meters, water heaters, and pressure valves can help experts find the cause and choose repairs. — Rae Ford, Martha Stewart, 14 Oct. 2026 Available options include a stationary air conditioner, water heater for the outdoor shower, leisure battery upgrade to lithium, exterior awning and more. — New Atlas, 7 Oct. 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

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Cite this Entry

“Water heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20heater. Accessed 24 Oct. 2026.

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