... >> Natural Science >> Zoology >> Calorie
Definition: Unit of heat defined as the amount of heat required to heat 1 g of water from 14.5 degree to 15.5 degree C; 1 cal = 4.184 joules in the International System of Units.
Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.