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.
Recalls address issues such as brake fluid leaks, fuel leaks, rearview camera malfunctions, seat belt warning system malfunctions, engine block heater overheating, and engine failure. Olivia Evans, The Courier-Journal, 2 July 2025 The new pools are intended to handle year-round use, incorporating electric pool heaters, salt water and UV light water treatment. Christopher Reynolds, Los Angeles Times, 2 July 2025 At the Alcove location in OTR, heaters are located on the patio as well as an overhead heater in the greenhouse. Kaycee Sloan, The Enquirer, 2 July 2025 Global shipments of single heater draw-texturing spindles, which are mainly used for polyamide filaments, increased 95 percent from nearly 43,000 units in 2023 to 84,000 units in 2024. Angela Velasquez, Sourcing Journal, 30 June 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 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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