differentiable

adj

Etymology: Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *d(w)is- Proto-Italic *dis- Latin dis- Proto-Indo-European *bʰer- Proto-Indo-European *bʰéreti Proto-Italic *ferō Latin ferō Latin differō Latin differēns Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Latin differentia New Latin differentiō New Latin differentiātusbor. English differentiate Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English differentiable From differentiate + -able.

1. Having a derivative, said of a function whose domain and codomain are manifolds.

   “A function which is differentiable wherever it is continuous is said to possess ordinary continuity.”

2. able to be differentiated; distinguishable, as for example by differing appearance or measurable characteristics.

   “It would, in that case, have been as real as it now is, and would have been differentiable from its Maker as an effect is differentiable from its cause.”