The Collaborative International Dictionary
Calorificient
Calorificient \Ca*lor`i*fi"cient\, 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.
Wiktionary
calorificient
a. (context physiology dated English) 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.