calorie
//ˈkæləri//
Noun
calorieSingular
caloriesPlural
1
A unit of energy, specifically the amount of energy needed to raise the temperature of one gram of water by one degree Celsius (small calorie) or one kilogram of water by one degree Celsius (large calorie or kilocalorie)
One gram of fat contains nine calories of energy.
2
A unit of measurement for the energy content in food and beverages, typically referring to the kilocalorie
This snack contains only 100 calories.