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Meaning of autochthon

au•toch•thon

Pronunciation: (ô-tok'thun), [key]
— pl. -thons, -tho•nes
  1. an aboriginal inhabitant.
  2. one of the indigenous animals or plants of a region.
  3. a geological formation formed in the region where found. Cf. allochthon.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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