nondifferentiability

noun

The quality of not being differentiable.

OriginEnglish differentiability ← New Latin differentiātus ← Latin differentia →
Scrabble 32
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Meanings

nounnondifferentiability (uncountable)
  1. uncountableThe quality of not being differentiable.

    In this paper we propose a framework that combines the two ideas, and includes two improvements over previously published work on convex-concave programming, specifically the handling of domains of the functions, and the issue of nondifferentiability on the boundary of the domains.

    2016, Xinyue Shen, Steven Diamond, Yuantao Gu, Stephen Boyd, “Disciplined Convex-Concave Programming”, in arXiv

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. Proto-Indo-European*dwóh₁
  15. Proto-Indo-European*trísinflu.
  16. Proto-Indo-European*d(w)is-
  17. Proto-Italic*dis-
  18. Latindis-
  19. Proto-Indo-European*bʰer-
  20. Proto-Indo-European*bʰéreti
  21. Proto-Italic*ferō
  22. Latinferō
  23. Latindifferō
  24. Latindifferēns
  25. Latindifferentia
  26. New Latindifferentiō
  27. New Latindifferentiātus
  28. Englishdifferentiate
  29. Englishdifferentiable
  30. Englishdifferentiability
  31. Englishnondifferentiability

From non- + differentiability.

Full word history & related roots →
Cite this entry
APA

nondifferentiability. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nondifferentiability

MLA

“nondifferentiability.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nondifferentiability. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nondifferentiability,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nondifferentiability.

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