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(au-toch-tho-nous) 4 syllables

Definition

adjective. originating or produced locally in a particular region.

Example Sentence

The autochthonous fauna of Australia includes the kangaroo.

More Example Sentences

Autochthonous species thrive in their home environment.

Synonyms

native; indigenous

Antonyms

foreign; nonnative

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autochthonous
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