Synonyms for Nutritionist's Calorie (same or very similar meaning)
WordNet sense 1 (a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food):
calorie, kilocalorie, kilogram calorie, large calorie
From the ODE community, based on WordNet
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