ultradifferentiable

adjective

Having all derivatives over an open set bounded by an indexed value in an ultradistribution (times a constant).

OriginEnglish differentiable ← New Latin differentiātus ← Latin differentia →
Scrabble 28
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Meanings

adjectiveultradifferentiable (not comparable)
  1. not comparablemathematicsHaving all derivatives over an open set bounded by an indexed value in an ultradistribution (times a constant).
    1 more example

    Under this assumption, and through the characterization of strongly regular sequences in terms of so-called regular variation, we show that the growth index #92;gamma(#92;mathbb#123;M#125;) defined by V.Thilliez (Division by flat ultradifferentiable functions and sectorial extensions, Results Math. 44 (2003), 169--188) and the order of quasianalyticity #92;omega(#92;mathbb#123;M#125;) introduced by the second author (Flat functions in Carleman ultraholomorphic classes via proximate orders, J.

    2015, Javier Jiménez-Garrido, Javier Sanz, “Strongly regular sequences and proximate orders”, 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. New Latindifferentiō
  18. New Latindifferentiātus
  19. Englishdifferentiate
  20. Englishdifferentiable
  21. Englishultradifferentiable

From ultra- + differentiable.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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