adipic

from The Collaborative International Dictionary of English v.0.48

Adipic \A*dip"ic\ ([.a]*d[i^]p"[i^]k), a. [L. adeps, adipis,
   fat.] (Chem.)
   Pertaining to, or derived from, fatty or oily substances; --
   applied to certain acids obtained from fats by the action of
   nitric acid.
   [1913 Webster]