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Hyp"o*caust (?), n. [L. hypocaustum, Gr. ; under + to burn: cf. F. hypocauste.] Anc. Arch.

A furnace, esp. one connected with a series of small chambers and flues of tiles or other masonry through which the heat of a fire was distributed to rooms above. This contrivance, first used in bath, was afterwards adopted in private houses.


© Webster 1913.

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