heterochthonous: Meaning and Definition of

het•er•och•tho•nous

Pronunciation: (het"u-rok'thu-nus), [key]
— adj.
  1. not indigenous; foreign (opposed to autochthonous): heterochthonous flora and fauna.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.