noun🔗ShareA non-SI unit of energy equal to 1,000 calories, used (now rare) in chemistry or physics; equal to 1 calorie or Calorie as used in nutrition. Symbol kcal."The nutrition label on the bread stated it contained 100 kilocalories per slice. "energyphysicschemistryfoodphysiologybiochemistryunitscienceChat with AIVocabulary GamePractice Reading
