definition of entropy

collocation in English

meaningsofdefinitionandentropy

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withentropy.
definition
noun
uk
/ˌdef.ɪˈnɪʃ.ən/us
/ˌdef.ɪˈnɪʃ.ən/
a statement that explains the meaning of a word ...
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entropy
noun[U]
uk
/ˈen.trə.pi/us
/ˈen.trə.pi/
social science
the amount of order or lack of order in ...
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(Definition ofdefinitionandentropyfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofdefinition of entropy

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Full subadditivity, required for such coincidence, is obtained if we modify thedefinitionofentropyby including an additional step in the construction.
From theCambridge English Corpus
This means that thedefinitionofentropycan be based on the counting of names, and we are thus led to the following counting-type convergence rates.
From theCambridge English Corpus
It is primarily used in introductory statistical mechanics and thermodynamics textbooks to explain the microscopicdefinitionofentropyto students.
From
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We are now ready to provide adefinitionofentropy.
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For non-equilibrium processes, as is so for macroscopic descriptions, a generaldefinitionofentropyfor microscopic statistical mechanical accounts is also lacking.
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The seconddefinitionofentropycomes from statistical mechanics.
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As we will see, the thermodynamicdefinitionofentropyis also defined only up to a constant.
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The second law is now often seen as an expression of the fundamental postulate of statistical mechanics via the moderndefinitionofentropy.
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Thisdefinitionofentropydoes not allow the determination of an absolute value, only of differences.
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One dictionarydefinitionofentropyis that it is a measure of thermal energy per unit temperature that is not available for useful work.
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Referring back to ourdefinitionofentropy, we can see that the entropy of this system has increased.
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Moreover, it has provided a basis to extend the traditionaldefinitionofentropyto the non-equilibrium domain.
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In the thermodynamic limit, the fluctuation of the macroscopic quantities from their average values becomes negligible; so this reproduces thedefinitionofentropyfrom classical thermodynamics, given above.
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Though the maximum entropy approach is based directly on informational entropy, it is applicable to physics only when there is a clear physicaldefinitionofentropy.
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In some other definitions of entropy, it is a measure of how evenly energy (or some analogous property) is distributed in a system.
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Classical physical definitions of entropy do not cover this case, especially when the fluxes are large enough to destroy local thermodynamic equilibrium.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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