1 Physics a measure of the unavailability of a system's thermal energy for conversion into mechanical work.
2 Physics a measure of the disorganization or degradation of the universe.
3 a measure of the rate of transfer of information in a message etc.
Derivatives:
entropic adj. entropically adv.
Etymology: G Entropie (as EN-(2), Gk trope transformation)
Useful english dictionary. 2012.