Question

what is the meaning of calories

Answer 1

Answer:

The calorie is a unit of energy defined as the amount of heat needed to raise a quantity of water by one degree of temperature. ... The small calorie or gram calorie (usually denoted cal) is the amount of heat energy needed to raise the temperature of one gram of water by one degree Celsius (or one kelvin).

OR

When you hear something contains 100 calories, it's a way of describing how much energy your body could get from eating or drinking it.