Real Dictionary

-calorie
-calorie is used after adjectives such as low or high to indicate that food contains a small or a large number of calories.

calorie
countable noun: Calories are units used to measure the energy value of food. People who are on diets try to eat food that does not contain many calories.

calorie in American English
the amount of heat needed to raise the temperature of one gram of water one degree celsius; gram calorie; small calorie
noun: an amount of heat exactly equal to 4.1840 joules

calorie in British English
noun: 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 It has now largely been replaced by the joule for scien
noun: 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

calorie in Electrical Engineering
noun: A calorie is the amount of heat required to raise the temperature of 1 gram of water through 1° centigrade.