calorie

[ kal-uh-ree ]

noun

, plural cal·o·ries.

1. Thermodynamics.
   1. Also called gram calorie, small calorie. an amount of heat exactly equal to 4.1840 joules. : cal
   2. (usually initial capital letter) kilocalorie. : Cal
2. Physiology.
   1. a unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.
   2. a quantity of food capable of producing such an amount of energy.

Calorie

¹

/ ˈkælərɪ /

noun

1. Also calledkilogram caloriekilocalorielarge calorie a unit of heat, equal to one thousand calories, often used to express the heat output of an organism or the energy value of food Cal
2. the amount of a specific food capable of producing one thousand calories of energy

calorie

²

/ ˈkælərɪ /

noun

1. See Calorie
   a unit of heat, equal to 4.1868 joules ( International Table calorie ): formerly defined as the quantity of heat required to raise the temperature of 1 gram of water by 1°C under standard conditions. It has now largely been replaced by the joule for scientific purposes cal Also calledgram caloriesmall calorie Compare Calorie

calorie

/ kăl′ə-rē /

1. 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.
2. Also called small calorie
3. 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.
4. Also called kilocalorie large calorie

Calorie

1. The amount of heat required to raise the temperature of a kilogram of water by one degree Celsius . A calorie (with a lower-case c ) is a measurement of the heat needed to raise the temperature of a gram of water, rather than a kilogram.

Word History and Origins

Origin of calorie¹

First recorded in 1800–10; from French, equivalent to calor- (from Latin calor “heat”) + -ie noun suffix; -y ³

Word History and Origins

Origin of calorie¹

C19: from French, from Latin calor heat

Example Sentences

On average, we use about 100 calories per mile when running, depending upon run pace and body mass.

From Washington Post

This sweet treat represents life-saving calories at one of the roughest times of the year for survival, but it’s also great for everyday culinary uses.

From Popular-Science

So people need to get some of their calories from fat and carbohydrates.

From Science News For Students

That means that, per calorie, the plant-based nuggets actually have less protein and more saturated fat than regular chicken tenders.

From Outside Online

Rachel is a 24-year-old obsessed with counting her calories.

From Time

Related: Low-Calorie Foods That Will Actually Fill You Up 3.

From The Daily Beast

So turning to calorie-free, “diet-friendly” alternatives makes sense, right?

From The Daily Beast

Found in tons of foods, these zero-calorie sugar substitutes have taken the U.S. market by storm.

From The Daily Beast

And evidence continues to mount against zero-calorie additives.

From The Daily Beast

After missing that mark with the empty-calorie fluff of Salem, WGN is nailing it with Manhattan.

From The Daily Beast

A Calorie is the amount of heat required to raise the temperature of one kilogram of water from zero to one degree Centigrade.

From Project Gutenberg

A calorie is the heat unit used in the estimation of the fuel value of various foods.

From Project Gutenberg

The calorie nevertheless is not a food substance, it is the unit by which energy-giving heat is measured.

From Project Gutenberg

A Calorie is the amount of heat required to raise one kilogram of water 1° Centigrade or one pound of water 4° Fahrenheit.

From Project Gutenberg

A person in bed for twenty-four hours will require about 0.5 Calorie per pound per hour to prevent use of body material for fuel.

From Project Gutenberg