caloric

adjective

1. of or relating to calories: the caloric content of food.
2. of or relating to heat.
3. (of engines) driven by heat.
4. high in calories: a caloric meal.

noun

5. heat.
6. Archaic. a hypothetical fluid whose presence in matter was thought to determine its thermal state.

adjective

1. of or concerned with heat or calories

noun

2. obsolete a hypothetical elastic fluid formerly postulated as the embodiment of heat

n.

hypothetical fluid in a now-discarded model of heat exchange, 1792, from French calorique, coined in this sense by Lavoisier, from Latin calorem “heat” (nominative calor; see calorie). The adjective is recorded from 1865.

adj.

1. Of or relating to calories.
2. Of or relating to heat.