| Word | Definitions | Synonyms |
|---|---|---|
| calorie | (noun) unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure | Synonyms: gram calorie, small calorie |
| kilocalorie | (noun) 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 | Synonyms: Calorie, kilogram calorie, large calorie, nutritionist's calorie |