thermodynamics
Definition
noun (Physics)
- the study of the processes involving heat changes and conservation of energyUsage first law of thermodynamicsa general scientific rule that during a physical or chemical change, energy is neither created nor destroyedUsage second law of thermodynamicsa general scientific rule that heat cannot pass from a colder to a warmer body and that with each change in form, some energy is degraded to a less useful form and given off into the surroundings, usually as heat