kilogram calorie

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The amount of energy needed to raise the temperature of a kilogram of water by a degree centigrade: a unit of measure of energy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food