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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

Covarrubias wants to add a cellar to his new home to house the water heater and other machinery.

From Los Angeles Times • Jul. 10, 2025

“I knew that if the water heater busted or my wife’s car needed a jump, if I wasn’t there I knew there were people looking out for them.”

From Los Angeles Times • Feb. 3, 2025

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

She pulled Natalie in close, and they hid as best they could in the lee of a solar water heater.

From "Two Degrees" by Alan Gratz

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