Webster's Revised Unabridged Dictionary · 1913

Caloric

Caloric , noun

[Latin calor heat; compare French calorique.]

(Physics) 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.
Caloric expands all bodies. — Henry

Caloric , adjective

Of or pertaining to caloric.
Collocations (1)
Caloric engine , a kind of engine operated by heated air.