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
Calorie -
Physics and chemistry, obsolete the gram calorie or small calorie, a non-SIunit 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 -
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.
Wikipedia
The calorie is a pre-SI metric unit of energy. It was first defined by Nicolas Clément in 1824 as a unit of heat, entering French and English dictionaries between 1841 and 1867. In most fields its use is archaic, having been replaced by the SI unit of energy, the joule.
OmegaWiki Dictionary
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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.
