[with obj.]heat (a liquid) under pressure above its boiling point without vaporization 使(液体)过热 ■heat (a vapour) above its temperature of saturation 加热(气体)到饱和温度以上 ■heat to a very high temperature 把…加热到高温
noun
[mass noun]the excess of temperature of a vapour above its temperature of saturation (气体)过热