Definition of calorie Calorie

/kæˈlɚi/ - [katleree] - cal•o•rie

We found 9 definitions of calorie from 6 different sources.

What does calorie mean?

Noun Plural: calories
calorie - 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
		gram calorie, small calorie
		energy unit, heat unit, work unit a unit of measurement for work
		kilocalorie, kilogram calorie, large calorie, nutritionist's calorie, calorie 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
calorie - 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
		kilogram calorie, kilocalorie, large calorie, nutritionist's calorie
		energy unit, heat unit, work unit a unit of measurement for work

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calorie (Noun)
Physics and chemistry, obsolete the gram calorie or small calorie, a non- SI unit of energy, equivalent to approximately 4. 2 joules. This unit was widely used in chemistry and physics, being the amount of energy needed to raise the temperature of 1 gram of water by 1 °C.
calorie (Noun)
Kilogram calorie or large calorie. A unit of energy 1000 times larger than the gram calorie. It is equivalent to the gram kilocalorie, approximately 4. 2 kilojoules.

calorie (n.)
The unit of heat according to the French standard; the amount of heat required to raise the temperature of one kilogram (sometimes, one gram) of water one degree centigrade, or from 0¡ to 1¡. Compare the English standard unit, Foot pound.

calorie
The amount of energy needed to raise the temperature of one gram of water by one degree Celsius, equal to about 4.19 joules.
calorie
The amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius.

The "calorie" is a pre-SI unit of energy, most common in heat.

It is the amount of energy required to make one gram of water to increase in heat by one Kelvin.

When on a food label, the term "Calorie" refers to kilocalories, or 1000 calories.