The measure of the level of disorder in a closed but changing system, a system in which energy can only be transferred in one direction from an ordered state to a disordered state. Higher the entropy, higher the disorder and lower the availability of the system's energy to do useful work. Although the concept of entropy originated in thermodynamics (as the 2nd law) and statistical mechanics, ... Read more

USAGE EXAMPLE

Since the universe was born and lives in an extremely chaotic state, it is thought that once that entropyceases to exist so will the universe.