hypocaust
noun
hy·po·caust ˈhī-pə-ˌkȯst 
: an ancient Roman central heating system with underground furnace and tile flues to distribute the heat
Word History
Etymology
Latin hypocaustum, from Greek hypokauston, from hypokaiein to light a fire under, from hypo- + kaiein to burn
First Known Use
1678, in the meaning defined above
- superficiary
- superficies
- superficieses
- superfine
- superfinenesses
- superfines
- superfinish
- superfirm
- superfirms
- superfix
- superfixes
- superflack
- superflacks
- superfluent
- superfluid
- superfluidities
- superfluidity
- superfluids
- superfluities
- superfluity
- superfluous
- superfluously
- superfluousness
- superfluousnesses
- superflux