Source : Webster's Revised Unabridged Dictionary (1913)

Metabolic \Met`a*bol"ic\, a. [Gr. ?. See {Metabola}.]
   1. (Biol.) Of or pertaining to metamorphosis; pertaining to,
      or involving, change.

   2. (Physiol.) Of or pertaining to metabolism; as, metabolic
      activity; metabolic force.

Source : WordNet®

metabolic
     adj 1: of or relating to metabolism; "metabolic rate"
     2: undergoing metamorphosis [syn: {metabolous}] [ant: {ametabolic}]