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
例句
用作名词 (n.)
The unit of heat we shall use most frequently is the kilocalorie. 我们最常用的热量单位是千卡。
美
['kɪləˌkælərɪ]
