Source : Webster's Revised Unabridged Dictionary (1913)

Caloric \Ca*lor"ic\, n. [L. calor heat; cf. F. 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 \Ca*lor"ic\, a.
   Of or pertaining to caloric.

   {Caloric engine}, a kind of engine operated by heated air.

Source : WordNet®

caloric
     adj 1: relating to or associated with heat; "thermal movements of
            molecules"; "thermal capacity"; "thermic energy"; "the
            caloric effect of sunlight" [syn: {thermal}, {thermic}]
            [ant: {nonthermal}]
     2: of or relating to calories in food; "comparison of foods on
        a caloric basis"; "the caloric content of foods"