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autochthonous
 
Adjective autochthonous has 2 senses
  1. autochthonous - of rocks, deposits, etc.; found where they and their constituents were formed
    Antonym:     allochthonous
  2. autochthonal, autochthonic, autochthonous, endemic, indigenous - originating where it is found; "the autochthonal fauna of Australia includes the kangaroo"; "autochthonous rocks and people and folktales"; "endemic folkways"; "the Ainu are indigenous to the northernmost islands of Japan"
    Antonym: foreign (indirect, via native)
autocartic autocatalysis autocatalytic autocentric autocephalous autochthon autochthonal autochthonic autochthonous autochthony autochtonic peoples autochtony autoclave autococker autocoid autocorecat autocorect

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