air furnace

noun

: a furnace that depends on a natural draft (as a reverberatory furnace) and not on blast

Word History

First Known Use

1718, in the meaning defined above

Time Traveler
The first known use of air furnace was in 1718

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Cite this Entry

“Air furnace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20furnace. Accessed 5 Dec. 2023.

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