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.
There were over 35 rodent droppings by dry storage where rice, flour and sugar sit; over 15 on a shelf with clean plates; another 15 by a hot water heater; over 10 on the single service item (takeout plates and utensils) storage room floor; and 10 under the three-compartment sink. David J. Neal, Miami Herald, 20 Mar. 2025 That's why one key climate solution is electrification — switching from climate-warming methane, the main ingredient in natural gas, to electric appliances and heaters powered by an increasingly cleaner grid. Jeff Brady, NPR, 19 Mar. 2025 Also missing were the trailer’s sewage and water hookups, propane tanks and hot water heater from the trailer. Nora O’Neill, Charlotte Observer, 19 Mar. 2025 But the Blue Hens have been on a heater in the CAA Tournament. Faisal Kutty, Newsweek, 11 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

Browse Nearby Words

Cite this Entry

“Heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heater. Accessed 3 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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