Definition of Entropy (thermodynamics, countable) | (statistics, information theory, countable) A measure of the amount of information and noise present in a signal. | (uncountable) The tendency of a system that is left to itself to descend into chaos.
How to use Entropy in Sentences?
- 1. The change of entropy is, properly speaking, the most characteristic fact of a thermal change. 🔊
- 2. In chemical reactions, for example, the entropy increases without the substances borrowing any heat. 🔊
- 3. It was therefore, in all strictness, impossible to calculate the entropy of a solution, and consequently to be certain of the value of the thermodynamic potential. 🔊
- 4. We thus come to conceive that a physical phenomenon cannot be considered known to us if the variation of entropy is not given, as are the variations of temperature and of pressure or the exchanges of heat. 🔊
- 5. When a perfect gas dilates in a vacuum its entropy increases, and yet the temperature does not change, and the gas has neither been able to give nor receive heat. 🔊