nonequilibrium

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noun

The condition of not being in equilibrium.

OriginEnglish equilibrium ← Middle English non- ← Old English nān- →
UncommonScrabble 27
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Meanings

nounnonequilibrium (usually uncountable, plural nonequilibriums or nonequilibria)

plural nonequilibriums · plural nonequilibria · alternative attributive especially non-equilibrium

  1. uncountableusuallyThe condition of not being in equilibrium.

Origin

  1. Proto-Indo-European*né
  2. Proto-Germanic*ne
  3. Proto-Indo-European*ís?
  4. Proto-Indo-European*h₁óynos
  5. Proto-Germanic*ainaz
  6. Proto-Germanic*nainaz
  7. Proto-West Germanic*nain
  8. Old Englishnān
  9. Middle Englishnon
  10. Old Englishnān
  11. Old Englishnān-
  12. Middle Englishnon-
  13. Englishnon-
  14. Englishequilibrium
  15. Englishnonequilibrium

From non- + equilibrium.

Full word history & related roots →
Cite this entry
APA

nonequilibrium. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/nonequilibrium

MLA

“nonequilibrium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonequilibrium. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonequilibrium,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/nonequilibrium.

Source: nonequilibrium on Wiktionary, CC BY-SA 4.0.