Source : Webster's Revised Unabridged Dictionary (1913)

Abiogenetic \Ab`i*o*ge*net"ic\, a. (Biol.)
   Of or pertaining to abiogenesis. {Ab`i*o*ge*net"ic*al*ly},
   adv.

Source : WordNet®

abiogenetic
     adj : originating by abiogenesis