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.
With the Cubs’ shortstop smoking a Carlos Rodón heater 98.4 mph, Judge ran in and laid out for an inning-ending catch. Gary Phillips, New York Daily News, 12 July 2025 Ambient temperatures become an even more significant factor in winter, where tests have shown that EVs can lose as much as around 41% of their battery capacity at 20 degrees Fahrenheit and an even greater percentage at chillier ambient temperatures while running the cabin heater. Jim Gorzelany, Forbes.com, 8 July 2025 According to the brewery, there are heaters in the beer garden, along with two fire pits. Kaycee Sloan, The Enquirer, 2 July 2025 To remedy, dealers will replace the engine block heater and inspect electrical cords, replacing as necessary for free. Olivia Evans, The Courier-Journal, 2 July 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

Browse Nearby Words

Cite this Entry

“Heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heater. Accessed 30 Jul. 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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