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autochthonous

[ aw-tok-thuh-nuhs ]
/ 蓴藞t蓲k 胃蓹 n蓹s /
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Definition of autochthonous

adjective
Ecology. pertaining to autochthons; aboriginal; indigenous (opposed to heterochthonous).
Pathology.
  1. found in the part of the body in which it originates, as a cancerous lesion.
  2. found in a locality in which it originates, as an infectious disease.
Psychology. of or relating to ideas that arise independently of the individual's own train of thought and seem instead to have some alien or external agency as their source.
Geology. (of rocks, minerals, etc.) formed in the region where found.Compare allochthonous.
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Also au路toch路tho路nal, au路toch路thon路ic [aw-tok-thon-ik]. /藢蓴 t蓲k藞胃蓲n 瑟k/.

Origin of autochthonous

First recorded in 1795鈥1805; autochthon + -ous

OTHER WORDS FROM autochthonous

au路toch路tho路nism, au路toch路tho路ny, nounau路toch路tho路nous路ly, adverbau路toch路tho路nous路ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use autochthonous in a sentence

British Dictionary definitions for autochthonous

autochthonous

autochthonic (藢蓴藧t蓲k藞胃蓲n瑟k) or autochthonal

/ (蓴藧藞t蓲k胃蓹n蓹s) /

adjective
(of rocks, deposits, etc) found where they and their constituents were formedCompare allochthonous
inhabiting a place or region from earliest known times; aboriginal
physiol (of some functions, such as heartbeat) originating within an organ rather than from external stimulation

Derived forms of autochthonous

autochthonism or autochthony, nounautochthonously, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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