- hyp|o|caust
- hyp|o|caust «HIHP uh kst, HY puh-», noun.a hollow space or flue in the floor or wall of a building through which heat from the furnace is received and distributed.╂[< Late Latin hypocauston < Greek hypókauston room heated from below < hypo- under + kaíein to burn]
Useful english dictionary. 2012.