Pronunciation: (ku-lôr'ik, -lor'-),[key] —adj. 1. of or pertaining to calories: the caloric content of food. 2. of or pertaining to heat.
3. (of engines) driven by heat.
4. high in calories: a caloric meal.
—n. 1. heat.
2. Archaic.a hypothetical fluid whose presence in matter was thought to determine its thermal state.