Furnace vs. Kiln

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.

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.

An intensely hot place

To process in one of these ovens.

A severe test or trial

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.

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

To bake in a kiln; to fire.

A device that provides heat for a building; a space heater.

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.

(colloquial) Any area that is excessively hot.

A furnace for burning bricks; a brickkiln.

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

A large oven for firing or burning or drying such things as porcelain or bricks

To heat in a furnace.

To exhale like a 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.

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

To throw out, or exhale, as from a furnace; also, to put into a furnace.

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