Caloric (adjective)

1. Relating to heat, especially as a form of energy.
2. Relating to the amount of heat produced by food.

Origin:

Late 18th century, from french 'calorique' meaning 'relating to heat'.

Examples:

1. The caloric content of the food was measured in units of heat energy.
2. The caloric value of the fuel was determined in order to estimate its potential to generate heat.
3. The caloric intake of the athlete was carefully monitored to ensure proper nutrition.
4. The caloric balance of the body was maintained by consuming food and burning energy through physical activity.
5. The caloric theory was a major breakthrough in the understanding of heat and its relation to energy.