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Definition of furnace

furnace

/ˈfɝː.nɪs/
fur · nace

Plural:furnaces
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furnace Lexical Profile

furnace Game Scores & Validity

• noun

1

North American A large appliance, typically installed in a basement or utility room, that heats air or water to be circulated throughout a building.

Example

"When the winter storm hit, our basement furnace struggled to keep the house warm."


2

An enclosed structure in which material can be heated to very high temperatures, typically used for smelting metals, firing ceramics, or burning refuse.

Example

"The steelworkers carefully monitored the temperature inside the blast furnace."


3

A place or environment characterized by extreme or oppressive heat.

Example

"By midday, the small, unventilated attic had become a furnace."

Synonyms
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Antonyms
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• Rhymes for furnace

Word Origin & Etymology

From Middle English furneys, borrowed from Old French fornais, which derived from Latin fornax (oven, furnace), from the base fornus (oven).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Furnace. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/furnace
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