1. Also called: kilogram calorie, kilocalorie, large calorie
a unit of heat, equal to one thousand calories, often used to express the heat output of an organism or the energy value of food
Abbreviation: Cal
2.
the amount of a specific food capable of producing one thousand calories of energy
kilogram calorie in American English
noun
Thermodynamics
kilocalorie
Word origin
[1895–1900]This word is first recorded in the period 1895–1900. Other words that entered Englishat around the same time include: backstage, backwind, cutback, freewheel, neon