Meanings
adjectivesubdifferentiable (not comparable)
- not comparablemathematicsHaving a subderivative.
Thus we extend the theory of the directed subdifferential from quasidifferentiable to directed subdifferentiable functions.
2015, Robert Baier, Elza Farkhi, Vera Roshchina, “From Quasidifferentiable to Directed Subdifferentiable Functions: Exact Calculus Rules”, in (Please provide the book title or journal name)
Origin
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*d(w)is-
- Proto-Italic*dis-
- Latindis-
- Proto-Indo-European*bʰer-
- Proto-Indo-European*bʰéreti
- Proto-Italic*ferō
- Latinferō
- Latindifferō
- Latindifferēns
- Latindifferentia
- New Latindifferentiō
- New Latindifferentiātus
- Englishdifferentiate
- Englishdifferentiable
- Englishsubdifferentiable
From sub- + differentiable.
Full word history & related roots →Cite this entry
APA
subdifferentiable. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/subdifferentiable
MLA
“subdifferentiable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subdifferentiable. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “subdifferentiable,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/subdifferentiable.
Source: subdifferentiable on Wiktionary, CC BY-SA 4.0.