Definition of "caloric"

caloric

/kəˈlɒɹɪk/

adjective
comparative more caloric, superlative most caloric
1. Relating to calories.
2. Containing calories.
3. Synonym of calorific (“high in calories and thus likely fattening”).
4. Synonym of calorific (“relating to or producing heat or other energy”).
noun
uncountable
1. (historical) The hypothetical medium of heat.
  Quotations
  The fluid matter of heat, or Calorique, in which all bodies are immersed, is as necessary to vegetable as to animal existence.
  1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 45
  Caloric expands all bodies.
  1799, William Henry, Elements of Experimental Chemistry