D defs.my
Entry 2 senses Webster, 1913

differentiable

· IPA /ˌdɪf.ə(ɹ)ˈɛn.ʃə.bəl/
01 adj. possessing a differential coefficient or derivative; -- of a mathematical expression.
  1. 1.
    possessing a differential coefficient or derivative; -- of a mathematical expression.(Math.)
  2. 2.
    capable of being perceived as different; as, differentiable species.