| 单词 | kilogram calorie |
| 释义 | > as lemmaskilogram calorie kilogram calorie n. now somewhat rare a unit of heat or energy equal to the amount of heat required to raises the temperature of a kilogram of water at one atmosphere of pressure by one degree celsius; = calorie n. (a); symbol Cal, kcal.Contrasted with gramme calorie at calorie n. (b).Now used chiefly as a unit of food energy. ΘΚΠ the world > matter > physics > electromagnetic radiation > heat > [noun] > unit of heat thermal unit1853 calorie1863 British thermal unit1865 joule1882 large calorie1884 therm1888 kilogram calorie1892 B.T.U.- 1892 W. M. Baker & V. D. Harris Kirkes' Hand-bk. Physiol. (ed. 13) xiii. 530 Sometimes the term kilogramme-calorie is used; one kilogramme-calorie being equal to 1000 gramme-calories. 1951 B. L. Goodlet Basic Electrotechnics i. 4 Heat energy is measured in kilogram-calories, one of which equals 4186 joules. 2007 Gettysburg (Pa.) Times 27 Aug. c2 The Calorie that is associated with food is actually called a kilogram calorie or kilocalorie. < as lemmas |
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