calorie

noun

cal·​o·​rie ˈka-lə-rē How to pronounce calorie (audio)
ˈkal-rē
variants or less commonly calory
plural calories
1
a
: the amount of heat required at a pressure of one atmosphere to raise the temperature of one gram of water one degree Celsius that is equal to about 4.19 joules
abbreviation cal

called also gram calorie, small calorie

b
: the amount of heat required to raise the temperature of one kilogram of water one degree Celsius : 1000 gram calories or 3.968 Btu
abbreviation Cal

called also large calorie

2
a
: a unit equivalent to the large calorie expressing heat-producing or energy-producing value in food when oxidized in the body
b
: an amount of food having an energy-producing value of one large calorie

Examples of calorie in a Sentence

Recent Examples on the Web The gooey goodness was on brand for the moment, even if the 610 calories and 34 grams of fat weren’t as satisfying as the 15 points and 10 rebounds the junior guard logged against the Ducks. Ben Bolch, Los Angeles Times, 7 Feb. 2024 Each diet contained the exact same quantity of calories, sugars, fiber, fat, salt and carbohydrates — the only difference was that one diet consisted only of foods that were ultraprocessed, Hall said. Sandee Lamotte, CNN, 1 Feb. 2024 Dietitians suggest teens eat 2 cups of fruit and 2 ½ cups of vegetables every day for a 2,000 calorie diet. Rochelle Koff, Miami Herald, 30 Jan. 2024 Nutritional analysis per serving, based on 6: 232 calories, 4 grams fat, 46 grams carbohydrates, 3 grams protein, no cholesterol, 4 milligrams sodium, 5 grams dietary fiber, 16 percent of calories from fat. Ellise Pierce, Fort Worth Star-Telegram, 31 Jan. 2024 The device tracks heart and respiratory rates, activity, rest and calories burned. John Gaudiosi, Charlotte Observer, 31 Jan. 2024 According to Cleveland Clinic of Florida, non-nutritive sweeteners (also called sugar substitutes or artificial sweeteners) contain few or no calories or nutrients and may be derived from plants or herbs, or even sugar itself. Caitlin Granfield, Miami Herald, 30 Jan. 2024 The entire meat log contains something like 5,000 calories and 500 grams of fat. Tim Engle, Kansas City Star, 24 Jan. 2024 In the context of weight management, the overall daily calorie and macronutrient intake holds more significance than the frequency of meals. Dominique Fluker, Essence, 22 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'calorie.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

French calorie, from Latin calor heat, from calēre to be warm — more at lee

First Known Use

1866, in the meaning defined at sense 1a

Time Traveler
The first known use of calorie was in 1866

Dictionary Entries Near calorie

Cite this Entry

“Calorie.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calorie. Accessed 21 Feb. 2024.

Kids Definition

calorie

noun
cal·​o·​rie
variants also calory
plural calories
1
: a unit of heat:
a
: the heat energy required to raise the temperature of one gram of water one degree Celsius and equal to about 4.19 joules

called also small calorie

b
: the amount of energy required to raise the temperature of one kilogram of water one degree Celsius and equal to 1000 small calories
used especially to indicate the value of foods in the production of heat and energy

called also large calorie, kilocalorie

2
: an amount of food having an energy-producing value of one large calorie
Etymology

from French calorie "a unit of heat," from Latin calor "heat," from calēre "to be hot" — related to cauldron, nonchalant

Medical Definition

calorie

noun
cal·​o·​rie
variants also calory
plural calories
1
a
: the amount of heat required at a pressure of one atmosphere to raise the temperature of one gram of water one degree Celsius that is equal to about 4.19 joules
abbreviation cal

called also gram calorie, small calorie

b
: the amount of heat required to raise the temperature of one kilogram of water one degree Celsius that is equal to 1000 gram calories or 3.968 Btu
abbreviation Cal

called also kilocalorie, kilogram calorie, large calorie

2
a
: a unit equivalent to the large calorie expressing heat-producing or energy-producing value in food when oxidized in the body
b
: an amount of food having an energy-producing value of one large calorie

More from Merriam-Webster on calorie

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