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单词 calorie
释义 calorie
[`kal·ǝ·rē]
THERMODYNAMICS
1. Abbreviated cal; often designated c.
2. A unit of heat energy, equal to 4.1868 joules. Also known as International Table calorie (IT calorie).
3. A unit of energy, equal to the heat required to raise the temperature of 1 gram of water from 14.5° to 15.5°C at a constant pressure of 1 standard atmosphere; equal to 4.1855 ± 0.0005 joules. Also known as fifteen-degrees calorie; gram-calorie (g-cal); small calorie.
4. A unit of heat energy equal to 4.184 joules; used in thermochemistry. Also known as thermochemical calorie.
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