生熱的,發熱的,熱的
Calorific \Cal`o*rif"ic\, a. [L. calorificus; calor heat + facere to make; cf. F. calorifique.] Possessing the quality of producing heat; heating. {Calorific rays}, the invisible, heating rays which emanate from the sun, and from burning and heated bodies.
calorific adj : heat-generating; "the calorific properties of fuels"