a. [ L. calorificus; calor heat + facere to make; cf. F. calorifique. ] Possessing the quality of producing heat; heating. [ 1913 Webster ]
Calorific rays,
n. [ Cf. F. calorification. ] Production of heat, esp. animal heat. [ 1913 Webster ]
a. (Physiol.) Having, or relating to the power of producing heat; -- applied to foods which, being rich in carbon, as the fats, are supposed to give rise to heat in the animal body by oxidation. [ 1913 Webster ]