prosthetic

from WordNet (r) 3.0 (2006)

prosthetic
    adj 1: of or relating to prosthetics
    2: relating to or serving as a prosthesis

from The Collaborative International Dictionary of English v.0.48

Prosthetic \Pros*thet"ic\, a. [Cf. Gr. ? disposed to add, ? put
   on.]
   Of or pertaining to prosthesis; prefixed, as a letter or
   letters to a word.
   [1913 Webster]