calories Definition

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

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

a unit equivalent to the large calorie expressing heat-producing or energy-producing value in food when oxidized in the body

calories from food that supply energy but have little or no nutritional value

to keep track of the number of calories in the food one eats so that one won't eat too much

being careful not to eat too much

calorie

calorie

calorie