An Entropy

1. (thermodynamics, countable) Entropy - Wikipedia
   1. strictly thermodynamic entropy. A measure of the amount of energy in a physical system that cannot be used to do work.
   2. A measure of the disorder present in a system.
   3. The capacity factor for thermal energy that is hidden with respect to temperature [2].
   4. The dispersal of energy; how much energy is spread out in a process, or how widely spread out it becomes, at a specific temperature. [3]
2. (statistics, information theory, countable) A measure of the amount of information and noise present in a signal.
3. (uncountable) The tendency of a system that is left to itself to descend into chaos.

Synonyms

• anergy
• bound entropy
• disgregation

Antonyms

• aggregation
• exergy
• free entropy
• negentropy