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.
For much of the U.S. population, filling up with gas, switching on the heater and turning on the stove are everyday behaviors that feel as normal as breathing. Whitaker Irvin Jr., Forbes.com, 15 Apr. 2025 The first-in-nation rule addresses emissions from midstream oil and gas operations, such as facilities that gather, compress and process natural gas, as well as engines, turbines and heaters. Sharon Udasin, The Hill, 14 Apr. 2025 Best Outdoor Fire Pit and Patio Heater Deals Warmer weather is ahead, but outdoor fire pits and patio heaters are must-haves during the summer, too. Stephanie Osmanski, Better Homes & Gardens, 8 Apr. 2025 On 83 pitches, Marquez walked none and struck out four, including a 98 mph heater up and in to strike out J.T. Realmuto to finish off the sixth. Kyle Newman, Denver Post, 31 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 21 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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