|1.||[ noun ] (thermodynamics) a measure of the amount of energy in a system that is available for doing work; entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity|
|Related terms:||ectropy physical_property physical_phenomenon conformational_entropy thermodynamics|
|2.||[ noun ] (communication theory) a numerical measure of the uncertainty of an outcome|
"the signal contained thousands of bits of information"
|Related terms:||measure information_measure communication_theory|