# Sudatorium

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Vaulted sweating-room in a Roman bath

In [architecture](/source/Architecture), a **sudatorium** is a vaulted sweating-room (*[sudor](https://en.wiktionary.org/wiki/sudor#Latin)*, "sweat") or steam bath (Latin: *sudationes*, steam) of the Roman baths or [thermae](/source/Thermae). The Roman architectural writer [Vitruvius](/source/Vitruvius) (v. 2) refers to it as *concamerata sudatio*.[1] It is similar to a *[laconicum](/source/Laconicum)*, or dry heat bath, with the addition of water to produce steam.

In order to obtain the great heat required, the whole wall was lined with vertical [terracotta](/source/Terracotta) [flue](/source/Flue) pipes of rectangular section, placed side by side, through which hot air and smoke from the [suspensura](/source/Suspensura) passed to an exit in the roof.[1]

When Arabs and Turks overran the [Eastern Roman Empire](/source/Eastern_Roman_Empire), they adopted and developed this feature in their baths or [hammams](/source/Turkish_bath).

## References

1. ^ [***a***](#cite_ref-EB1911_1-0) [***b***](#cite_ref-EB1911_1-1) One or more of the preceding sentences incorporates text from a publication now in the [public domain](/source/Public_domain): [Chisholm, Hugh](/source/Hugh_Chisholm), ed. (1911). "[Sudatorium](https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Sudatorium)". *[Encyclopædia Britannica](/source/Encyclop%C3%A6dia_Britannica_Eleventh_Edition)*. Vol. 26 (11th ed.). Cambridge University Press. p. 19.

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Adapted from the Wikipedia article [Sudatorium](https://en.wikipedia.org/wiki/Sudatorium) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Sudatorium?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.