'differentiable' definitions:

Definition of 'differentiable'

(from WordNet)
adjective
Possessing a differential coefficient or derivative
adjective
Capable of being perceived as different; "differentiable species"

Definition of 'differentiable'

From: GCIDE
  • differentiable \differentiable\ adj.
  • 1. (Math.) possessing a differential coefficient or derivative; -- of a mathematical expression. [WordNet 1.5]
  • 2. capable of being perceived as different; as, differentiable species. [WordNet 1.5]