/ ˈentrəpi; NAmE / noun [ U ]
1.
( technical ) a way of measuring the lack of order that exists in a system
2.
( physics ) ( symb S ) a measurement of the energy that is present in a system or process but is not available to do work
3.
a complete lack of order :
In the business world, entropy rules.
► en·trop·ic / enˈtrɒpɪk; -ˈtrəʊp-; NAmE -ˈtrɑːp-, -ˈtroʊp-/ adjective
► en·trop·ical·ly / -kli; NAmE / adverb
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WORD ORIGIN
mid 19th cent.: from en- inside + Greek tropē transformation.