Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun entropy

2 senses of entropy

Sense 1
information, selective information, entropy -- ((communication theory) a numerical measure of the uncertainty of an outcome; "the signal contained thousands of bits of information")
       => information measure -- (a system of measurement of information based on the probabilities of the events that convey information)

Sense 2
randomness, entropy, S -- ((thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work; "entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity")
       => physical property -- (any property used to characterize matter and energy and their interactions)