holometabolic

from WordNet (r) 3.0 (2006)

holometabolic
    adj 1: (of an insect) undergoing complete metamorphosis [syn:
           {holometabolic}, {holometabolous}]

from The Collaborative International Dictionary of English v.0.48

Holometabolic \Hol`o*met`a*bol"ic\, a. (Zool.)
   Having a complete metamorphosis; -- said of certain insects,
   as the butterflies and bees.
   [1913 Webster]