# Calorie definitions

kăl'ə-rē
Any of several approximately equal units of heat, each measured as the quantity of heat required to raise the temperature of 1 gram of water by 1°C at 1 atmosphere pressure.
noun
The amount of heat needed to raise the temperature of one gram of water one degree celsius; gram calorie; small calorie.
noun
The unit of heat equal to1100 the quantity of heat required to raise the temperature of 1 gram of water from 0 to 100°C at 1 atmosphere pressure.
noun
The amount of heat needed to raise the temperature of one kilogram of water one degree celsius; great calorie; kilocalorie; 1,000 calories; large calorie.
noun
Any of several approximately equal units of heat, each measured as the quantity of heat required to raise the temperature of 1 gram of water by 1°C at 1 atmosphere pressure.
noun
A unit of energy equal to the amount of heat needed to raise the temperature of one gram of water by one degree Celsius. One calorie is equivalent to 4.1868 joules.
The unit of heat equal to1100 the quantity of heat required to raise the temperature of 1 gram of water from 0 to 100°C at 1 atmosphere pressure.
noun
Calorie A unit of heat equal to the amount of heat needed to raise the temperature of 1,000 grams of water by one degree Celsius. This unit is used as a measure of the energy released by food as it is digested by the human body.
The definition of a calorie is a measure of energy in food, specifically the measure of heat needed to raise a kilogram or a gram of water by one degree Celsius.

An example of a calorie is five calories are needed to bring a kilogram of water up one degree Celsius.

An example of a calorie is that there are 70 calories in an egg.

noun
The unit of heat equal to the amount of heat required to raise the temperature of 1 kilogram of water by 1°C at 1 atmosphere pressure.
noun
A unit of energy-producing potential equal to this amount of heat that is contained in food and released upon oxidation by the body.
noun
A unit equal to the large calorie, used for measuring the energy produced by food when oxidized in the body.
noun
An amount of food able to produce one large calorie of energy.
noun
The unit of heat equal to the amount of heat required to raise the temperature of 1 kilogram of water by 1°C at 1 atmosphere pressure.
noun
A unit of energy-producing potential equal to this amount of heat that is contained in food and released upon oxidation by the body.
noun
(nutrition) 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.
noun

### Origin of calorie

French from Latin calor heat caloric