free energy

free-energy的词性：
n.（名词）

1. A thermodynamic quantity that is the difference between the internal energy of a system and the product of its absolute temperature and entropy.
自由能：热量值，表示系统的内部能量和它的绝对温度与熵的产物的差别

2. A thermodynamic quantity that is the difference between the enthalpy and the product of the absolute temperature and entropy of a system.Also called In this sense, also called Gibbs free energy
自由能：一种热力的数量，表示焓和系统的绝对温度与熵的产物间的区别也作 在此意义上也可称作 Gibbs free energy