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Furnace vs. Kiln — What's the Difference?

Furnace vs. Kiln — What's the Difference?

Difference Between Furnace and Kiln

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Furnace

A furnace, referred to as a heater or boiler in British English, is a heating unit used to heat up an entire building. Furnaces are mostly used as a major component of a central heating system.
Dec 28, 2021

Kiln

A kiln is a thermally insulated chamber, a type of oven, that produces temperatures sufficient to complete some process, such as hardening, drying, or chemical changes. Kilns have been used for millennia to turn objects made from clay into pottery, tiles and bricks.
Dec 28, 2021

Furnace

An enclosure in which energy in a nonthermal form is converted to heat, especially such an enclosure in which heat is generated by the combustion of a suitable fuel.
Dec 28, 2021

Kiln

Any of various ovens for hardening, burning, or drying substances such as grain, meal, or clay, especially a brick-lined oven used to bake or fire ceramics.
Dec 28, 2021

Furnace

An intensely hot place
The furnace of the sun.
An attic room that is a furnace in the summer.
Dec 28, 2021
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Kiln

To process in one of these ovens.
Dec 28, 2021

Furnace

A severe test or trial
Endured the furnace of his friends' blame after the accident.
Dec 28, 2021

Kiln

An oven or furnace or a heated chamber, for the purpose of hardening, burning, calcining or drying anything; for example, firing ceramics, curing or preserving tobacco, or drying grain.
Dec 28, 2021

Furnace

(UK) An industrial heating device, e.g. for smelting metal or baking ceramics.
Dec 28, 2021

Kiln

To bake in a kiln; to fire.
When making pottery we need to allow the bisque to dry before we kiln it.
Dec 28, 2021

Furnace

A device that provides heat for a building; a space heater.
Dec 28, 2021

Kiln

A large stove or oven; a furnace of brick or stone, or a heated chamber, for the purpose of hardening, burning, or drying anything; as, a kiln for baking or hardening earthen vessels; a kiln for drying grain, meal, lumber, etc.; a kiln for calcining limestone.
Dec 28, 2021

Furnace

(colloquial) Any area that is excessively hot.
Dec 28, 2021

Kiln

A furnace for burning bricks; a brickkiln.
Dec 28, 2021

Furnace

(figurative) A place or time of punishment, affliction, or great trial; severe experience or discipline.
Dec 28, 2021

Kiln

A large oven for firing or burning or drying such things as porcelain or bricks
Dec 28, 2021

Furnace

To heat in a furnace.
Dec 28, 2021

Furnace

To exhale like a furnace.
Dec 28, 2021

Furnace

An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, for warming a house, for baking pottery, etc.; as, an iron furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.
Dec 28, 2021

Furnace

A place or time of punishment, affiction, or great trial; severe experience or discipline.
Dec 28, 2021

Furnace

To throw out, or exhale, as from a furnace; also, to put into a furnace.
He furnacesThe thick sighs from him.
Dec 28, 2021

Furnace

An enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.
Dec 28, 2021

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