autochthonous

1. 1.

   of rocks, deposits, etc.; found where they and their constituents were formed

   Antonymsallochthonous
2. 2.

   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”

   Synonymsautochthonalautochthonicendemicindigenous

   Similarnative

Questions about autochthonous

What does autochthonous mean?

autochthonous means "of rocks, deposits, etc.; found where they and their constituents were formed". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in autochthonous?

autochthonous has 4 syllables: au-toch-tho-nous. The stress falls on "toch".

What is another word for autochthonous?

Close synonyms include autochthonal, autochthonic, endemic, indigenous. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

What is the opposite of autochthonous?

The recorded antonyms are allochthonous.

Is autochthonous a common word?

autochthonous is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.