: 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 Web
This includes both the furnace and air conditioner, as well as the ductwork and vents that run throughout the home.
—
Timothy Dale, Better Homes & Gardens, 14 May 2025
As a result, many builders will install gas furnaces and water heaters that emit planet-warming carbon pollution.
—Sammy Roth, Los Angeles Times, 1 May 2025
The plan at Bien Hoa is to excavate a half-million cubic meters of the most contaminated soil and enclose it underground or cook it in an enormous furnace, which hasn’t been built yet, until the dioxin no longer poses a threat.
—Anna Maria Barry-Jester, ProPublica, 17 Mar. 2025
Can that occur from sending a chunk of metal and silicon—even one that is boxcar-size or bigger—into a fusion furnace?
HAROLD SHAW PENOBSCOT, ME.
—Aaron Shattuck, Scientific American, 20 May 2025
See All Example Sentences for furnace
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Timothy Dale, Better Homes & Gardens, 14 May 2025
As a result, many builders will install gas furnaces and water heaters that emit planet-warming carbon pollution.
—Sammy Roth, Los Angeles Times, 1 May 2025
The plan at Bien Hoa is to excavate a half-million cubic meters of the most contaminated soil and enclose it underground or cook it in an enormous furnace, which hasn’t been built yet, until the dioxin no longer poses a threat.
—Anna Maria Barry-Jester, ProPublica, 17 Mar. 2025
Can that occur from sending a chunk of metal and silicon—even one that is boxcar-size or bigger—into a fusion furnace?
HAROLD SHAW PENOBSCOT, ME.
—Aaron Shattuck, Scientific American, 20 May 2025
See All Example Sentences for furnace
Cite this Entry
“Furnace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/furnace. Accessed 6 Jun. 2025.
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furnace
noun
fur·nace
ˈfər-nəs 
: an enclosed structure in which heat is produced (as for heating a house or melting metals)
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