1856 Definition
In 1856, Clausius stated what he called the "second fundamental theorem in the mechanical theory of heat" in the following form:
where N is the "equivalence-value" of all uncompensated transformations involved in a cyclical process. This equivalence-value was a precursory formulation of entropy.
Read more about this topic: History Of Entropy
Famous quotes containing the word definition:
“Perhaps the best definition of progress would be the continuing efforts of men and women to narrow the gap between the convenience of the powers that be and the unwritten charter.”
—Nadine Gordimer (b. 1923)