: an enclosed structure in which heat is produced (as for heating a house or for reducing ore)
Examples of furnace in a Sentence
Recent Examples on the WebMaintaining a high metabolic rate requires mammals to constantly feed the furnace.—Carl Zimmer, San Diego Union-Tribune, 28 May 2024 These units are effective at maintaining a consistent temperature throughout the home and can be coupled with a furnace or heat pump for year-round comfort.—Sara Kendall, Miami Herald, 7 May 2024 In Maryland, there’s been progress on the home front, but not enough because energy companies and contractors are still pushing natural gas furnaces over electric heat pumps.—Dan Rodricks, Baltimore Sun, 30 Apr. 2024 When spring and summer roll around, and the valley becomes a furnace, 12,000-foot Mt. Charleston is less than an hour’s drive away and the upper reaches can be 30 degrees cooler.—Jack Dolan, Los Angeles Times, 22 May 2024 See all Example Sentences for furnace
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'furnace.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
Middle English furnas, from Anglo-French forneise, from Latin fornac-, fornax; akin to Latin formus warm — more at therm
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