n. (also calory) (pl. -ies) a unit of quantity of heat: 1 (in full small calorie) the amount needed to raise the temperature of 1 gram of water through 1 øC. °Abbr.: cal. 2 (in full large calorie) the amount needed to raise the temperature of 1 kilogram of water through 1 øC, often used to measure the energy value of foods. °Abbr.: Cal.
[ F, arbitr. f. L calor heat + -ie ]