ultradifferential

adjective

A generalization of a differential that is calculated over an ultradistribution.

OriginEnglish differential ← Latin differentiāli ← Proto-Indo-European *h₂élisder.? →
Scrabble 24
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Meanings

adjectiveultradifferential (not comparable)
  1. not comparablemathematicsA generalization of a differential that is calculated over an ultradistribution.

    We give new and simpler proofs of more general results for the inverse and implicit function theorem as well as the existence theorem for ode's in classes of ultradifferential functions.

    2016, Jürgen Pöschel, “A new approach to ultradifferentiable functions”, in arXiv

Origin

  1. Proto-Indo-European*h₂el-
  2. Latinūls
  3. Latinultrā
  4. Englishultra-
  5. Proto-Indo-European*dwóh₁
  6. Proto-Indo-European*trísinflu.
  7. Proto-Indo-European*d(w)is-
  8. Proto-Italic*dis-
  9. Latindis-
  10. Proto-Indo-European*bʰer-
  11. Proto-Indo-European*bʰéreti
  12. Proto-Italic*ferō
  13. Latinferō
  14. Latindifferō
  15. Latindifferēns
  16. Latindifferentia
  17. Proto-Indo-European*h₂el-
  18. Proto-Indo-European*h₂élisder.?
  19. Latindifferentiāli
  20. Englishdifferential
  21. Englishultradifferential

From ultra- + differential.

Full word history & related roots →
Cite this entry
APA

ultradifferential. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ultradifferential

MLA

“ultradifferential.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultradifferential. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ultradifferential,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ultradifferential.

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