caloric /kəˈlɒɹɪk/adjective 4noun 1forms 2 adjective4 •Relating to calories.This strategy, known as caloric restriction, has been shown to increase the life span of various organisms and reduce their rate of cancer and other age-related ailments. — 2019 •Containing calories.Milk is a caloric beverage. •Synonym of calorific (“high in calories and thus likely fattening”). •Synonym of calorific (“relating to or producing heat or other energy”). noun1 •(historical) The hypothetical medium of heat.The fluid matter of heat, or Calorique, in which all bodies are immersed, is as necessary to vegetable as to animal existence. — 1791 formsmore caloric · most caloric