hypocaust

  1. Noun.  An underfloor space or flue through which heat from a furnace passes to heat the floor of a room or a bath, as illustrated by the ancient Roman ''hypocaustum'', and the traditional Korean ''ondol'' (온돌, 溫突). .
  2. Noun.  An underfloor heating system, even without such an underfloor space or flue, as adapted to the modern housing, east and west. .

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This entry was last updated on RefTopia from its source on 3/20/2012.