Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
au·toch·tho·nous(ô-tŏk′thə-nəs) also au·toch·tho·nal (-thə-nəl) or au·toch·thon·ic (ô′tŏk-thŏn′ĭk)
1. Originating or formed in the place where found; indigenous: autochthonous rocks; an autochthonous people; autochthonous folk tales. See Synonyms at native.
2. Ecology Native to or produced within a system: an autochthonous species; algae that provide an autochthonous source of nutrients in a lake.
au·toch′thon·ism, au·toch′tho·ny n.
1. (Geological Science) (of rocks, deposits, etc) found where they and their constituents were formed. Compare allochthonous
2. (Anthropology & Ethnology) inhabiting a place or region from earliest known times; aboriginal
3. (Physiology) physiol (of some functions, such as heartbeat) originating within an organ rather than from external stimulation
auˈtochthonism, auˈtochthony n
au•toch•tho•nous(ɔˈtɒk θə nəs)
1. aboriginal; indigenous.
2. native to or formed in the place where found.
3. Pathol. located in a part of the body in which it originated, as a cancer or infection.
4. Psychol. of or pertaining to ideas that originate independently of normal modes of thought or influences, as an obsession or schizophrenic construct.
au•toch′tho•nism, au•toch′tho•ny, n.
Switch to new thesaurus
|Adj.||1.||autochthonous - of rocks, deposits, etc.; found where they and their constituents were formed|
allochthonous - of rocks, deposits, etc.; found in a place other than where they and their constituents were formed
|2.||autochthonous - 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"|
native - characteristic of or existing by virtue of geographic origin; "the native North American sugar maple"; "many native artists studied abroad"