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.

Of or pertaining to caloric.

a postulated elastic fluid associated with heat flow. [Avogadro, Dalton, Lavoisier

of or relating to calories in food; "comparison of foods on a caloric basis"; "the caloric content of foods"