calorie

Universal Words noun 1 a unit for measuring how much energy food will produce: A fried egg contains about 100 calories-about the same as you would burn off if you ran a mile. * No sugar for me, thanks-I'm counting my calories. * a low-calorie drink / diet 2 (technical) a unit for measuring a quantity of heat; the amount of heat needed to raise the temperature of a gram of water by one degree Celsius