CALORIE

Calorie

The name calorie is used for two units of energy. The small calorie or gram calorie is the approximate amount of energy needed to raise the temperature of one gram of water by one degree Celsius, The large calorie, kilogram calorie, dietary calorie, nutritionist's calorie or food calorie is the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius. The large calorie is thus equal to 1000 small calories or one kilocalorie .

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calorie

Noun

  1. (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.
  2. 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.


The above text is a snippet from Wiktionary: calorie
and as such is available under the Creative Commons Attribution/Share-Alike License.

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