Caloric /(?)/

Ca·lor·ic

Caloric

n.
  1. The principle of heat, or the agent to which the phenomena of heat and combustion were formerly ascribed; -- not now used in scientific nomenclature, but sometimes used as a general term for heat. (Physics)
    Caloric expands all bodies.
    — Henry.

Caloric

a.
  1. Of or pertaining to caloric.

Phrases & Compounds

Caloric engine
a kind of engine operated by heated air.