English noun: entropy | |||
1. | entropy (attribute) (communication theory) a numerical measure of the uncertainty of an outcome | ||
Samples | The signal contained thousands of bits of information. | ||
Synonyms | information, selective information | ||
Broader (hypernym) | information measure | ||
Domain category | communication theory, communications | ||
2. | entropy (attribute) (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work | ||
Samples | Entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity. | ||
Synonyms | randomness, S | ||
Broader (hypernym) | physical property | ||
Narrower (hyponym) | conformational entropy | ||
Domain category | thermodynamics | ||