The Collaborative International Dictionary of English v.0.48:

eukaryotic \eukaryotic\ adj.
   having cells with visible nuclei surrounded by a nuclear
   membrane; pertaining to eukaryotes. Contrasted with
   prokaryotic.

   Syn: eucaryotic.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

eukaryotic
    adj 1: having cells with `good' or membrane-bound nuclei [syn:
           eukaryotic, eucaryotic] [ant: procaryotic,
           prokaryotic]