1. 
2. 
[syn: metabolic, metabolous]
The Collaborative International Dictionary of English v.0.48:
Metabolic \Met`a*bol"ic\, a. [Gr. ?. See Metabola.]
   1. (Biol.) Of or pertaining to metamorphosis; pertaining to,
      or involving, change.
      [1913 Webster]
   2. (Physiol.) Of or pertaining to metabolism; as, metabolic
      activity; metabolic force.
      [1913 Webster]
WordNet (r) 3.0 (2006):
metabolic
    adj 1: of or relating to metabolism; "metabolic rate"
    2: undergoing metamorphosis [syn: metabolic, metabolous]
       [ant: ametabolic, ametabolous]