释义 |
heat of evaporation
heat of evaporation[′hēt əv i‚vap·ə′rā·shən] (thermodynamics) heat of vaporization heat of evaporation
heat of e·vap·o·ra·tionthe heat absorbed in the evaporation of water, sweat or other liquid; for water it amounts to 540 cal/g at 100°C. Synonym(s): heat of vaporizationheat of e·vap·o·ra·tion (hēt ē-vap'ŏr-ā'shŭn) Heat absorbed in the evaporation of water, sweat, or other liquid; for water it amounts to 540 cal/g at 100°C. Synonym(s): heat of vaporization. heat of evaporationThe heat absorbed per unit of mass when a substance is converted from a liquid to a gas, such as the change of water to steam when it is heated sufficiently. For water, the amount of heat required to transform water into steam is 540 cal/g of water. See also: heat |