Main entry: randomness, S, entropy
Definition: (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
Usage: entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity
Main entry: entropy, selective information, information
Definition: (communication theory) a numerical measure of the uncertainty of an outcome
Usage: the signal contained thousands of bits of information