- 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.
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.
- the amount of heat needed to raise the temperature of one gram of water one degree celsius; gram calorie; small calorie
- [occas.C-] 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
- a unit equal to the large calorie, used for measuring the energy produced by food when oxidized in the body
- an amount of food able to produce one large calorie of energy
Origin of calorieFrench from Classical Latin calor, heat; akin to calere, to be warm from Indo-European base an unverified form kel-, warm from source Old English hl?owe, warm
- Abbr. cal 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. Also called gram calorie . Also called small calorie .
- Abbr. cal The unit of heat equal to 1100 the quantity of heat required to raise the temperature of 1 gram of water from 0 to 100°C at 1 atmosphere pressure. Also called mean calorie .
- a. Abbr. Cal 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. Also called kilocalorie . Also called kilogram calorie . Also called large calorie .b. A unit of energy-producing potential equal to this amount of heat that is contained in food and released upon oxidation by the body. Also called nutritionist's calorie .
Origin of calorieFrench from Latin calor heat ; see caloric .
- Most scientific studies are now carried out using the joule (an SI unit).
- In nutritional contexts the term calorie refers to the kilogram calorie and the term kilocalorie refers to 1000 gram calories. Thus the two terms are equivalent.
- European legislation now requires foods to be labelled with the term kilocalorie.
From French calorie.