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water heater

American  

noun

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


Other Word Forms

Noun Inflected Forms

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.

Adjust your electronics and water heater: Turn off computers, TVs and lights when not in use to eliminate ambient heat.

From MarketWatch • Jun. 29, 2026

Adjust your electronics and water heater: Turn off computers, TVs and lights when not in use to eliminate ambient heat.

From MarketWatch • Jun. 29, 2026

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

Hard water is caused by mineral buildup, which isn’t bad for your health but can create limescale on appliances like your water heater.

From Los Angeles Times • Jul. 22, 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

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