rare. [f. CALOR-IC + -IST.] One who held that heat or caloric was a material substance. Hence Caloristic a.
1864. N. Brit. Rev., Feb., 43. Any able Calorist … maintaining the materiality of heat. Ibid., 6. The Caloristic idea [of radiant heat] seems to have been exactly analogous to the Corpuscular Theory of Light.
