entropy

Fetched 2026-10-26 (cache).

Synonyms: centropy, extropy, ectropy, etropy

Antonyms: centropy, extropy, ectropy, etropy

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q45003}} A measure of the [[disorder]] [[present]] in a system.
2. {{lb|en|thermodynamics|countable}} A [[measure]] of the [[amount]] of [[energy]] in a [[physical]] [[system]] that cannot be used to do [[work]].
3. The capacity factor for thermal energy that is hidden with respect to [[temperature]].<ref>{{cite-journal|en|author=Clinton D. Stoner|title=Inquiries into the Nature of Free Energy and Entropy in Respect to Biochemical Thermodynamics|work=arXiv|id=arXiv: physics/0004055|date=2001-11-07|url=http://arxiv.org/abs/physics/0004055|doi=10.3390/e2030106}}</ref>
4. The dispersal of energy; how much energy is spread out in a process, or how widely spread out it becomes, at a specific temperature.<ref>{{cite-web|en|titleurl=http://www.entropysite.com/students_approach.html|title=A Student’s Approach to the Second Law and Entropy|date=February 2006|accessdate=2022-02-20|author=Frank Lambert|work=Entropy Site|archiveurl=https://web.archive.org/web/20060702234316/http://www.entropysite.com/students_approach.html|archivedate=2006-07-02}}</ref>
5. {{lb|en|statistics|information theory|countable}} A [[measure]] of the [[amount]] of [[information]] and [[noise]] [[present]] in a [[signal]].
6. {{lb|en|uncountable}} The [[tendency]] of a system that is left to itself to descend into [[chaos]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.