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water heater

American

noun

a household appliance consisting of a gas or electric heating unit under a tank in which water is heated and stored.

Etymology

Origin of water heater

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its piped town gas business will likely be supported by network growth and residential gas water heater penetration, the analyst says.

From The Wall Street Journal • Feb. 4, 2026

The technology removes suspended particles, like pipe rust or sand and grit coming from a hot water heater.

From Los Angeles Times • Jul. 22, 2024

Costs for water heater repair, replacement or installation can vary significantly based on the issue, the type and size of the unit, labor costs and any additional materials needed.

From Seattle Times • Feb. 29, 2024

When he looked out, he realized his neighbor’s water heater was just a few feet from his view.

From Los Angeles Times • Feb. 15, 2024

I hooked it up to my RTG water heater and put both the input and output lines into the tub.

From "The Martian" by Andy Weir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023