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
- intelligence officer
- intelligence quotient
- intelligence test
- intelligence tests
- intelligenced
- intelligencer
- intelligencers
- intelligences
- intelligency
- intelligent
- intelligent design
- intelligent life
- intelligential
- intelligently
- intelligentsia
- intelligentsias
- intelligibilities
- intelligibility
- intelligible
- intelligible species
- intelligibleness
- intelligiblenesses
- intelligibly
- intemerate
- intemperance