heater

noun

heat·​er ˈhē-tər How to pronounce heater (audio)
1
: one that heats
especially : a device that imparts heat or holds something to be heated
2

Examples of 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.
Roseman and his scouting department have recently been on a heater. Brooks Kubena, New York Times, 4 Apr. 2025 Accidental poisoning can occur when home appliances like furnaces, kerosene heaters, stoves, lanterns and generators produce fumes that people breathe in. Kierra Frazier, CBS News, 26 Mar. 2025 Plus, this multi-purpose pick serves as a heater and fan. Maggie Horton, People.com, 25 Mar. 2025 Don't place your heaters atop thick shag rugs or carpets, either. Matthew Korfhage, WIRED, 24 Mar. 2025 See All Example Sentences for heater

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of heater was in the 15th century

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Cite this Entry

“Heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heater. Accessed 18 Apr. 2025.

Kids Definition

heater

noun
heat·​er ˈhēt-ər How to pronounce heater (audio)
: a device that heats or holds something to be heated

More from Merriam-Webster on heater

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