furnacenoun [ C ]
uk/ˈfɜː.nɪs/us/ˈfɝː.nɪs/a container that is heated to a very high temperature, so that substances that are put inside it, such as metal, will melt or burn:
People who work with furnaces in a steel factory need to wear protective clothing.
This room's like a furnace (= is very hot)!
US a piece of equipment for heating a building:
It's cold in here - should I turn on the furnace?
Thesaurus: synonyms and related words
Heaters & burners
- bar
- barbecue
- BBQ
- bimetallic strip
- blast furnace
- boiler
- cigarette lighter
- convector
- electric heater
- fan heater
- flint
- gas fire
- geyser
- heater
- matchstick
- potbellied stove
- radiator
- room heater
- safety match
- smelter
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