hypocaust

English

Etymology

From Latin hypocaustum, from Ancient Greek ὑπόκαυστον (hupókauston), from Ancient Greek ὑπό (hupó, underneath) + καυστόν (kaustón, burnt offering).

Noun

hypocaust (plural hypocausts)

  1. An underfloor space or flue through which heat from a furnace passes to heat the floor of a room or a bath.
  2. An underfloor heating system, even without such an underfloor space or flue, as adapted for modern housing.

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See also