specific heat

specific-heat的词性：
n.Abbr. sp ht（名词）缩写 sp ht

1. The ratio of the amount of heat required to raise the temperature of a unit mass of a substance by one unit of temperature to the amount of heat required to raise the temperature of a similar mass of a reference material, usually water, by the same amount.
比热：将一单位质量的物质的温度提高一单位所需的热量与将一具有相似质量的对照材料，通常为水提高相同单位的温度所需的热量之比

2. The amount of heat, measured in calories, required to raise the temperature of one gram of a substance by one Celsius degree.
一克物质温度升高一摄氏度时所需的热量，用卡路里作单位