1. A unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree Celsius at atmospheric pressure
   "The nutritional label listed small calories per serving";
   - calorie, gram calorie, cal

Derived forms: small calories

Type of: energy unit, heat unit, work unit

Part of: Cal, Calorie, kcal, kilocalorie, kilogram calorie, large calorie, nutritionist's calorie

Encyclopedia: Small calorie