The Collaborative International Dictionary of English v.0.48:

lipophilic \lipophilic\ adj. (Chem.)
   having an affinity for lipids; -- of chemical substances or
   parts of molecules. Contrasted to lipophobic or polar.

   Syn: lipotropic, nonpolar.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

lipophilic
    adj 1: having an affinity for lipids [syn: lipophilic,
           lipotropic]