- 热力学 rèlìxué thermodynamicsthe branch of physics dealing with the relationships between heat and other forms of energy
- 热力学温度 rèlìxuéwēndù thermodynamic temperaturethermodynamic temperature; absolute temperature measured from absolute zero
- 热力学温标 rèlìxuéwēnbiāo thermodynamic temperature scaleThe temperature scale used in thermodynamics with absolute zero as its starting point, measured in Kelvin.