hypocaust

American  

[hahy-puh-kawst, hip-uh-] / ˈhaɪ pəˌkɔst, ˈhɪp ə- /

noun

1. a hollow space or system of channels in the floor or walls of some ancient Roman buildings that provided a central heating system by receiving and distributing the heat from a furnace.

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hypocaust British  

/ ˈhaɪpəˌkɔːst /

noun

1. an ancient Roman heating system in which hot air circulated under the floor and between double walls

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Etymology

Origin of hypocaust

1670–80; < Latin hypocaustum < Greek hypókauston room heated from below, equivalent to hypo- hypo- + kaustón, neuter of kaustós (verbal adjective) heated, burned; caustic

Example Sentences

The Romans developed the hypocaust method of heating floors and walls thousands of years ago.

From Seattle Times • Mar. 7, 2023

This space, although they did not know it, was the hypocaust or heating chamber of the colonial Roman house, and had been kept filled with hot air from a furnace.

From Masters of the Guild by Lamprey, L.

From them the hot air was carried back through the hypocaust and led to the rooms above by means of an ingenious system of flue tiles.

From Nicanor - Teller of Tales A Story of Roman Britain by Kinney, Margaret West

There you find the hypocaust, a spacious round fireplace which transmitted warm air through lower conduits to the stove, and heated thePg 134 two boilers built into the masonry and supplied from a reservoir.

From The Wonders of Pompeii by Monnier, Marc

The great fireplaces, one for every hypocaust, built in arches under the outer walls of the villa, were approached from the outside by passages of rough masonry.

From Nicanor - Teller of Tales A Story of Roman Britain by Kinney, Margaret West