entropy

1. Symbol S For a closed thermodynamic system, a quantitative measure of the amount of thermal energy not available to do work.

2. A measure of the disorder or randomness in a closed system.

3. A measure of the loss of information in a transmitted message.

4. Tendency for all matter & energy in the universe 2 evolve tw a state of inert uniformity.

5. Inevitable and steady deterioration of a system or society.