1866, from French calorie, from Latin calor (genitive caloris) "heat," from PIE *kle-os-, suffixed form of root *kele- (1) "warm" (cognates: Latin calidus "warm," calere "be hot;" Sanskrit carad- "harvest," literally "hot time;" Lithuanian silti "become warm," silus "August;" Old Norse hlær, Old English hleow "warm").
In scientific use, largely replaced 1950 by the joule. As a unit of energy, defined as "heat required to raise 1 gram of water 1 degree Celsius" (the small or gram calorie), but also as "heat required to raise 1 kilogram of water 1 degree Celsius" (the large calorie or kilocalorie).
双语例句
1. Nutritionists say only 33% of our calorie intake should be from fat.
营养学家说我们所摄入的卡路里中只应有33％来自脂肪。
来自柯林斯例句
2. Reduced-calorie cheese is a great substitute for cream cheese.
低卡路里干酪是奶油干酪的极佳替代品。
来自柯林斯例句
3. a calorie-controlled diet for slimmers
控制热量的减肥食谱
来自《权威词典》
4. A glass or two of wine will not significantly add to the calorie count.
喝一两杯葡萄酒不会增加多少热量。
来自柯林斯例句
5. There seems to be little difference whether you eat all your calorie allowance in one go, or spread it over the day.