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en.wikipedia.org/wiki/Entropy

Although entropy does increase in the model of an expanding universe, the maximum possible entropy rises much more rapidly, moving the universe further from the heat death with time, not closer. This results in an "entropy gap" pushing the system further away from the posited heat death equilibrium. Other ...

www.audioenglish.org/dictionary/entropy.htm

Definition of entropy in the AudioEnglish.org Dictionary. Meaning of entropy. What does entropy mean? Proper usage and pronunciation (in phonetic transcription) of the word entropy. Information about entropy in the AudioEnglish.org dictionary, synonyms and antonyms.

www.thefreedictionary.com/entropy

Define entropy. entropy synonyms, entropy pronunciation, entropy translation, English dictionary definition of entropy. n. pl. en·tro·pies 1. Symbol S For a closed thermodynamic system, a quantitative measure of the amount of thermal energy not available to do work. 2.

www.definitions.net/definition/entropy

The above definition is sometimes called the macroscopic definition of entropy because it can be used without regard to any microscopic picture of the contents of a system. In thermodynamics, entropy has been found to be more generally useful and it has several other formulations.

www.merriam-webster.com/dictionary/entropy

Entropy definition is - a measure of the unavailable energy in a closed thermodynamic system that is also usually considered to be a measure of the system's disorder, that is a property of the system's state, and that varies directly with any reversible change in heat in the system and inversely with the temperature of the system; broadly : the degree of disorder or uncertainty in a system...

en.wikipedia.org/wiki/Entropy_(information_theory)

Entropy is zero when one outcome is certain to occur. The entropy quantifies these considerations when a probability distribution of the source data is known. The meaning of the events observed (the meaning of messages) does not matter in the definition of entropy. Entropy only takes into account the probability of observing a specific event ...

www.vocabulary.com/dictionary/entropy

The word entropy finds its roots in the Greek entropia, which means "a turning toward" or "transformation."The word was used to describe the measurement of disorder by the German physicist Rudolph Clausius and appeared in English in 1868. A common example of entropy is that of ice melting in water. The resulting change from formed to free, from ordered to disordered increases t...

study.com/.../what-is-entropy-definition-law-formula.html

Video: What is Entropy? - Definition, Law & Formula - Definition, Law & Formula In this lesson, you will learn the definition of entropy and discover how it can be applied to everyday situations.

medical-dictionary.thefreedictionary.com/entropy

entropy [en´trŏ-pe] 1. in thermodynamics, a measure of the part of the internal energy of a system that is unavailable to do work. In any spontaneous process, such as the flow of heat from a hot region to a cold region, entropy always increases. 2. the tendency of a system to move toward randomness. 3. in information theory, the negative of ...

www.wordhippo.com/what-is/the-meaning-of-the-word/entropy.html

What does entropy mean? Looking for the meaning or definition of the word entropy? Here's what it means. Noun (thermodynamics, countable) strictly thermodynamic entropy. A measure of the amount of energy in a physical system that cannot be used to do work. A measure of the disorder present in a system.